Common use of Number Reg Clause in Contracts

Number Reg. Date Delta Education, Inc. Science in a Nutshell : flight! gliders to jets, activity journal. TX0004414313 11/1/1996 Delta Education, Inc. Scientific theories. TX0003593417 6/21/1993 Delta Education, Inc. Scientific theories. TX0003602057 6/21/1993 Delta Education, Inc. SCIS 3 energy sources. TX0003577675 6/21/1993 Delta Education, Inc. SCIS 3 relative position and motion. TX0003577674 6/21/1993 Delta Education, Inc. Simple machines : teacher’s guide / editing Editorial Services Plus ; ill./art production Nancy P. Schoefl. TX0004015686 2/27/1995 Delta Education, Inc. Sink or float : Delta project cards / William R. Brown, Edwin P. White. TX0000957852 8/11/1982 Delta Education, Inc. Sink or float? : teacher’s guide. TX0004446585 1/9/1997 Delta Education, Inc. Small things and microscopes : teacher’s guide / author, Eileen Terrill ; contributors, Jeanne Dietsch, William Kennedy and Bradford Taylor ; ill. Phyllis Pittet and Susan Dunholter ; photography Paul McGuirk. TX0003864322 6/24/1994 Delta Education, Inc. Soil science : DSM II teacher’s guide. TX0004441525 1/9/1997 Delta Education, Inc. Solar energy : teacher’s guide. TX0003845510 6/24/1994 Delta Education, Inc. Solar system : teacher’s guide / editing Editorial Services Plus and D. Louis Finsand ; ill./art production Nancy Schoefl. TX0004446638 1/9/1997 Delta Education, Inc. Sound : teacher’s guide / editing Katy Z. Allen ; ill./art production Nancy Schoefl. TX0004440920 1/9/1997 Delta Education, Inc. Sound vibrations : activity guide. TX0004406460 11/1/1996 Delta Education, Inc. Sound vibrations : activity guide. TX0004406461 11/1/1996 Delta Education, Inc. Sound vibrations : activity guide. TX0004406462 11/1/1996 Delta Education, Inc. States of matter : teacher’s guide / editing Katy Z. Allen ; ill./art production Nancy Schoefl. TX0004446636 1/9/1997

Number Reg. Date Delta Education, Inc. Science in a Nutshell : flight! gliders to jets, activity journal. TX0004414313 11/1/1996 Delta Education, Inc. Scientific theories. TX0003593417 6/21/1993 Delta Education, Inc. Scientific theories. TX0003602057 6/21/1993 Delta Education, Inc. SCIS 3 energy sources. TX0003577675 6/21/1993 Delta Education, Inc. SCIS 3 relative position and motion. TX0003577674 6/21/1993 Delta Education, Inc. Simple machines : teacher’s guide / editing Editorial Services Plus ; ill./art production Nancy P. Schoefl. TX0004015686 2/27/1995 Delta Education, Inc. Sink or float Strings & musical instruments : Delta project cards / William R. Brown, Edwin P. White. TX0000957852 TX0000957856 8/11/1982 Delta Education, Inc. Sink or float? : teacher’s guideSubsystems and variables. TX0004446585 1/9/1997 TX0003606740 6/21/1993 Delta Education, Inc. Small things Subsystems and microscopes variables : teacher’s guide : level 3 / authorHerbert D. Thier, Eileen Terrill ; contributors, Jeanne Dietsch, William Kennedy and Bradford Taylor ; illRobert C. Knott. Phyllis Pittet and Susan Dunholter ; photography Paul McGuirk. TX0003864322 6/24/1994 TX0003363135 6/3/1992 Delta Education, Inc. Soil science : DSM II teacher’s guide. TX0004441525 1/9/1997 Delta Education, Inc. Solar energy : teacher’s guide. TX0003845510 6/24/1994 Delta Education, Inc. Solar system : teacher’s guide / editing Editorial Services Plus Sunshine and D. Louis Finsand ; ill./art production Nancy Schoefl. TX0004446638 1/9/1997 Delta Education, Inc. Sound shadows : teacher’s guide / editing Katy Z. Allen ; ill./art production Nancy Schoefl. TX0004440920 TX0004446642 1/9/1997 Delta Education, Inc. Sound vibrations : activity guide. TX0004406460 11/1/1996 Delta Education, Inc. Sound vibrations : activity guide. TX0004406461 11/1/1996 Delta Education, Inc. Sound vibrations : activity guide. TX0004406462 11/1/1996 Delta Education, Inc. States of matter Water cycle : teacher’s guide / editing Katy Kathy Z. Allen ; ill./art production Nancy Schoefl. TX0004446636 1/9/1997TX0004446639 1/9/1997 Delta Education, Inc. Weather forecasting : teacher’s guide / editing Editorial Services Plus ; ill./art production Nancy Schoefl. TX0004446640 1/9/1997 Delta Education, Inc. Weather instruments : teacher’s guide. TX0004440861 1/9/1997 Delta Education, Inc. Weather watching : teacher’s guide / editing Jill Farinelli ; ill./art production Nancy Schoefl. TX0004446641 1/9/1997 Delta Education, Inc. Whistles : Delta project cards / William R. Brown, Edwin P. White. TX0000957854 8/11/1982 Delta Education, Inc. You and your body : teacher’s guide. TX0003830395 3/31/1994 Delta Education, LLC About me. TX0006236193 9/30/2005 Delta Education, LLC Addition & subtraction student activity guide : no. 550-3530. TX0005751741 5/8/2003 Delta Education, LLC Addition & subtraction : teacher’s guide. TX0005752801 5/8/2003 Delta Education, LLC Algebra : grades 3-4, student activity guide. TX0005698998 5/8/2003 Delta Education, LLC Algebra : grades 5-6, student activity guide. TX0005698994 5/8/2003 Delta Education, LLC Algebra teacher’s guide : grades 3-4. TX0005751730 5/8/2003 Delta Education, LLC Algebra teacher’s guide : grades 5-6. TX0005751729 5/8/2003

Number Reg. Date Delta Education, Inc. Science I Can’t Believe It’s Math! : discovering classroom math in a Nutshell : flight! gliders to jetsafter-school activities / Xxxx Xxx Xxxxxxxxx, activity journal. TX0004414313 11/1/1996 Marcay Burma-Washington TX0003567974 5/28/1993 Delta Education, Inc. Scientific theoriesIf shipwrecks could talk : teacher’s guide. TX0003593417 TX0004440866 1/9/1997 Delta Education, Inc. Insect life : teacher’s guide. TX0003933407 2/27/1994 Delta Education, Inc. Interaction and systems. TX0003606743 6/21/1993 Delta Education, Inc. Scientific theoriesInteraction and systems : teacher’s guide : level 2 / Xxxxxxx X. Xxxxx, Xxxxxx X. Xxxxx. TX0003602057 TX0003363133 6/3/1992 Delta Education, Inc. Investigating water : teacher’s guide / editing Xxxxxxxxx Xxx ; ill./art production Xxxxx Xxxxxxx. TX0000000000 1/9/1997 Delta Education, Inc. Length and capacity : teacher’s guide. TX0004442792 1/9/1997 Delta Education, Inc. Lenses and mirrors : teacher’s guide / author, the National Learning Center ; ill./art production Xxxxx Xxxxxxx. TX0004442654 1/9/1997 Delta Education, Inc. Life cycles. TX0003606744 6/21/1993 Delta Education, Inc. SCIS 3 energy sourcesLife cycles : teacher’s guide : level 2 / Xxxxxxx X. Xxxxx, Xxxxxx X. Xxxxx. TX0003577675 6/21/1993 TX0003363132 6/3/1992 Delta Education, Inc. SCIS 3 relative position and motion. TX0003577674 6/21/1993 Delta Education, Inc. Simple machines Looking at liquids : teacher’s guide / editing Editorial Services Plus ; ill./art production Nancy P. SchoeflXxxxx X. Xxxxxxx. TX0004015686 2/27/1995 Delta Education, Inc. Sink or float : Delta project cards / William R. Brown, Edwin P. White. TX0000957852 8/11/1982 Delta Education, Inc. Sink or float? : teacher’s guide. TX0004446585 TX0004440926 1/9/1997 Delta Education, Inc. Small things and microscopes Magnet magic activity guide. TX0004409100 11/1/1996 Delta Education, Inc. Magnets : teacher’s guide / author, Eileen Terrill ; contributors, Jeanne Dietsch, William Kennedy and Bradford Taylor ; illXxxxxx Xxxxxx. Phyllis Pittet and Susan Dunholter ; photography Paul McGuirk. TX0003864322 6/24/1994 TX0003830397 3/31/1994 Delta Education, Inc. Soil science : DSM II teacher’s guideMaterial objects. TX0004441525 1/9/1997 TX0003606739 6/21/1993 Delta Education, Inc. Solar energy Material objects : teacher’s guideguide : level 1 / Xxxxxxx X. Xxxxx, Xxxxxx X. Xxxxx. TX0003845510 6/24/1994 TX0003363134 6/3/1992 Delta Education, Inc. Solar system Measuring : teacher’s guide / editing Editorial Services Plus and D. Louis Finsand Xxxxxxxxx Xxx ; ill./art production Nancy SchoeflXxxxx Xxxxxxx. TX0004446638 1/9/1997 Delta Education, Inc. Sound : teacher’s guide / editing Katy Z. Allen ; ill./art production Nancy Schoefl. TX0004440920 1/9/1997 Delta Education, Inc. Sound vibrations : activity guide. TX0004406460 11/1/1996 Delta Education, Inc. Sound vibrations : activity guide. TX0004406461 11/1/1996 Delta Education, Inc. Sound vibrations : activity guide. TX0004406462 11/1/1996 Delta Education, Inc. States of matter : teacher’s guide / editing Katy Z. Allen ; ill./art production Nancy Schoefl. TX0004446636 TX0004440922 1/9/1997

Number Reg. Date Delta Education, Inc. Science I Can’t Believe It’s Math! : discovering classroom math in a Nutshell : flight! gliders to jetsafter-school activities / Xxxx Xxx Xxxxxxxxx, activity journal. TX0004414313 11/1/1996 Marcay Burma-Washington TX0003567974 5/28/1993 Delta Education, Inc. Scientific theoriesIf shipwrecks could talk : teacher’s guide. TX0003593417 TX0004440866 1/9/1997 Delta Education, Inc. Insect life : teacher’s guide. TX0003933407 2/27/1994 Delta Education, Inc. Interaction and systems. TX0003606743 6/21/1993 Delta Education, Inc. Scientific theoriesInteraction and systems : teacher’s guide : level 2 / Xxxxxxx X. Xxxxx, Xxxxxx X. Xxxxx. TX0003602057 TX0003363133 6/3/1992 Delta Education, Inc. Investigating water : teacher’s guide / editing Xxxxxxxxx Xxx ; ill./art production Xxxxx Xxxxxxx. TX0000000000 1/9/1997 Delta Education, Inc. Length and capacity : teacher’s guide. TX0004442792 1/9/1997 Delta Education, Inc. Lenses and mirrors : teacher’s guide / author, the National Learning Center ; ill./art production Nancy Schoefl. TX0004442654 1/9/1997 Delta Education, Inc. Life cycles. TX0003606744 6/21/1993 Delta Education, Inc. SCIS 3 energy sourcesLife cycles : teacher’s guide : level 2 / Herbert D. Thier, Robert C. Knott. TX0003577675 6/21/1993 TX0003363132 6/3/1992 Delta Education, Inc. SCIS 3 relative position and motion. TX0003577674 6/21/1993 Delta Education, Inc. Simple machines Looking at liquids : teacher’s guide / editing Editorial Services Plus ; ill./art production Nancy P. Schoefl. TX0004015686 2/27/1995 Delta Education, Inc. Sink or float : Delta project cards / William R. Brown, Edwin P. White. TX0000957852 8/11/1982 Delta Education, Inc. Sink or float? : teacher’s guide. TX0004446585 TX0004440926 1/9/1997 Delta Education, Inc. Small things and microscopes Magnet magic activity guide. TX0004409100 11/1/1996 Delta Education, Inc. Magnets : teacher’s guide / author, Eileen Terrill ; contributors, Jeanne Dietsch, William Kennedy and Bradford Taylor ; illJoreen Hendry. Phyllis Pittet and Susan Dunholter ; photography Paul McGuirk. TX0003864322 6/24/1994 TX0003830397 3/31/1994 Delta Education, Inc. Soil science : DSM II teacher’s guideMaterial objects. TX0004441525 1/9/1997 TX0003606739 6/21/1993 Delta Education, Inc. Solar energy Material objects : teacher’s guideguide : level 1 / Herbert D. Thier, Robert C. Knott. TX0003845510 6/24/1994 TX0003363134 6/3/1992 Delta Education, Inc. Solar system Measuring : teacher’s guide / editing Editorial Services Plus and D. Louis Finsand Elizabeth Foy ; ill./art production Nancy Schoefl. TX0004446638 1/9/1997 Delta Education, Inc. Sound : teacher’s guide / editing Katy Z. Allen ; ill./art production Nancy Schoefl. TX0004440920 1/9/1997 Delta Education, Inc. Sound vibrations : activity guide. TX0004406460 11/1/1996 Delta Education, Inc. Sound vibrations : activity guide. TX0004406461 11/1/1996 Delta Education, Inc. Sound vibrations : activity guide. TX0004406462 11/1/1996 Delta Education, Inc. States of matter : teacher’s guide / editing Katy Z. Allen ; ill./art production Nancy Schoefl. TX0004446636 TX0004440922 1/9/1997

Number Reg. Date Delta Education, Inc. Science I Can't Believe It’s Math! : discovering classroom math in a Nutshell : flight! gliders to jetsafter-school activities / Xxxx Xxx Xxxxxxxxx, activity journal. TX0004414313 11/1/1996 Marcay Burma-Washington TX0003567974 5/28/1993 Delta Education, Inc. Scientific theoriesIf shipwrecks could talk : teacher’s guide. TX0003593417 TX0004440866 1/9/1997 Delta Education, Inc. Insect life : teacher’s guide. TX0003933407 2/27/1994 Delta Education, Inc. Interaction and systems. TX0003606743 6/21/1993 Delta Education, Inc. Scientific theoriesInteraction and systems : teacher’s guide : level 2 / Xxxxxxx X. Xxxxx, Xxxxxx X. Xxxxx. TX0003602057 TX0003363133 6/3/1992 Delta Education, Inc. Investigating water : teacher’s guide / editing Xxxxxxxxx Xxx ; ill./art production Xxxxx Xxxxxxx. TX0000000000 1/9/1997 Delta Education, Inc. Length and capacity : teacher’s guide. TX0004442792 1/9/1997 Delta Education, Inc. Lenses and mirrors : teacher’s guide / author, the National Learning Center ; ill./art production Xxxxx Xxxxxxx. TX0004442654 1/9/1997 Delta Education, Inc. Life cycles. TX0003606744 6/21/1993 Delta Education, Inc. SCIS 3 energy sourcesLife cycles : teacher’s guide : level 2 / Xxxxxxx X. Xxxxx, Xxxxxx X. Xxxxx. TX0003577675 6/21/1993 TX0003363132 6/3/1992 Delta Education, Inc. SCIS 3 relative position and motion. TX0003577674 6/21/1993 Delta Education, Inc. Simple machines Looking at liquids : teacher’s guide / editing Editorial Services Plus ; ill./art production Nancy P. SchoeflXxxxx X. Xxxxxxx. TX0004015686 2/27/1995 Delta Education, Inc. Sink or float : Delta project cards / William R. Brown, Edwin P. White. TX0000957852 8/11/1982 Delta Education, Inc. Sink or float? : teacher’s guide. TX0004446585 TX0004440926 1/9/1997 Delta Education, Inc. Small things and microscopes Magnet magic activity guide. TX0004409100 11/1/1996 Delta Education, Inc. Magnets : teacher’s guide / author, Eileen Terrill ; contributors, Jeanne Dietsch, William Kennedy and Bradford Taylor ; illXxxxxx Xxxxxx. Phyllis Pittet and Susan Dunholter ; photography Paul McGuirk. TX0003864322 6/24/1994 TX0003830397 3/31/1994 Delta Education, Inc. Soil science : DSM II teacher’s guideMaterial objects. TX0004441525 1/9/1997 TX0003606739 6/21/1993 Delta Education, Inc. Solar energy Material objects : teacher’s guideguide : level 1 / Xxxxxxx X. Xxxxx, Xxxxxx X. Xxxxx. TX0003845510 6/24/1994 TX0003363134 6/3/1992 Delta Education, Inc. Solar system Measuring : teacher’s guide / editing Editorial Services Plus and D. Louis Finsand Xxxxxxxxx Xxx ; ill./art production Nancy SchoeflXxxxx Xxxxxxx. TX0004446638 1/9/1997 Delta Education, Inc. Sound : teacher’s guide / editing Katy Z. Allen ; ill./art production Nancy Schoefl. TX0004440920 1/9/1997 Delta Education, Inc. Sound vibrations : activity guide. TX0004406460 11/1/1996 Delta Education, Inc. Sound vibrations : activity guide. TX0004406461 11/1/1996 Delta Education, Inc. Sound vibrations : activity guide. TX0004406462 11/1/1996 Delta Education, Inc. States of matter : teacher’s guide / editing Katy Z. Allen ; ill./art production Nancy Schoefl. TX0004446636 TX0004440922 1/9/1997

Number Reg. Date Delta Education, Inc. Science in a Nutshell Newtons toy box : flight! gliders to jetsteacher’s guide / author, activity journalCarolyn Sumners. TX0004414313 11/1/1996 TX0003830398 3/31/1994 Delta Education, Inc. Scientific theoriesObserving an aquarium : DSM II teacher’s guide. TX0003593417 TX0004440179 1/9/1997 Delta Education, Inc. Organisms. TX0003606742 6/21/1993 Delta Education, Inc. Scientific theoriesOrganisms : teacher’s guide : level 1 / Herbert D. Thier, Robert C. Knott. TX0003602057 6/21/1993 TX0003363131 6/3/1992 Delta Education, Inc. SCIS 3 energy sources. TX0003577675 6/21/1993 Delta Education, Inc. SCIS 3 relative position Plant and motion. TX0003577674 6/21/1993 Delta Education, Inc. Simple machines animal life cycles : teacher’s guide / editing Editorial Services Plus Kathy Z. Allen and Kathy Talmadge ; ill./art production Nancy P. Schoefl. TX0004015686 2/27/1995 Delta Education, Inc. Sink or float : Delta project cards / William R. Brown, Edwin P. White. TX0000957852 8/11/1982 Delta Education, Inc. Sink or float? : teacher’s guide. TX0004446585 TX0004440925 1/9/1997 Delta Education, Inc. Small things Plant and microscopes : teacher’s guide / author, Eileen Terrill ; contributors, Jeanne Dietsch, William Kennedy and Bradford Taylor ; ill. Phyllis Pittet and Susan Dunholter ; photography Paul McGuirk. TX0003864322 6/24/1994 Delta Education, Inc. Soil science : DSM II teacher’s guide. TX0004441525 1/9/1997 Delta Education, Inc. Solar energy : teacher’s guide. TX0003845510 6/24/1994 Delta Education, Inc. Solar system animal populations : teacher’s guide / editing Editorial Services Plus and D. Louis Finsand Diana J. Reno ; ill./art production Nancy Schoefl. TX0004446638 TX0004440924 1/9/1997 Delta Education, Inc. Sound Pollution : teacher’s guide. TX0003845509 6/24/1994 Delta Education, Inc. Pond life : teacher’s guide. TX0003933406 2/27/1994 Delta Education, Inc. Populations. TX0003606741 6/21/1993 Delta Education, Inc. Populations : teacher’s guide : level 3 / Herbert D. Thier, Robert C. Knott. TX0003363136 6/3/1992 Delta Education, Inc. Powders and crystals : teacher’s guide / editing Katy Z. Allen Diana J. Reno ; ill./art production Nancy P. Schoefl. TX0004440920 TX0004440921 1/9/1997 Delta Education, Inc. Sound vibrations Properties : teacher’s guide. TX0004442793 1/9/1997 Delta Education, Inc. Relative position and motion : SCIS 3, teacher’s guide, level 4 / Herbert D. Thier, Robert C. Knott. TX0003690483 9/30/1993 Delta Education, Inc. Rock origins : activity guidejournal. TX0004406460 TX0004411206 11/1/1996 Delta Education, Inc. Sound vibrations : activity guide. TX0004406461 11/1/1996 Delta Education, Inc. Sound vibrations : activity guide. TX0004406462 11/1/1996 Delta Education, Inc. States of matter Rocks and minerals : teacher’s guide : a Delta science module / editing Katy Z. Allen Editorial Services Plus, copyediting Jill Farinelli ; design/production Ann V. Richardson ; ill./art production Nancy P. Schoefl ; cover design Nancy P. Schoefl. TX0004446636 1/9/1997TX0003784217 3/31/1994

Number Reg. Date Delta Education, Inc. Science in a Nutshell : flight! gliders to jets, activity journal. TX0004414313 11/1/1996 Delta Education, Inc. Scientific theories. TX0003593417 6/21/1993 Delta Education, Inc. Scientific theories. TX0003602057 6/21/1993 Delta Education, Inc. SCIS 3 energy sources. TX0003577675 6/21/1993 Delta Education, Inc. SCIS 3 relative position and motion. TX0003577674 6/21/1993 Delta Education, Inc. Simple machines : teacher’s guide / editing Editorial Services Plus ; ill./art production Nancy P. SchoeflXxxxx X. Xxxxxxx. TX0004015686 2/27/1995 Delta Education, Inc. Sink or float : Delta project cards / William R. BrownXxxxxxx X. Xxxxx, Edwin P. WhiteXxxxx X. Xxxxx. TX0000957852 8/11/1982 Delta Education, Inc. Sink or float? : teacher’s guide. TX0004446585 TX0000000000 1/9/1997 Delta Education, Inc. Small things and microscopes : teacher’s guide / author, Eileen Terrill Xxxxxx Xxxxxxx ; contributors, Jeanne DietschXxxxxx Xxxxxxx, William Kennedy Xxxxxxx Xxxxxxx and Bradford Taylor Xxxxxxxx Xxxxxx ; ill. Phyllis Pittet Xxxxxxx Xxxxxx and Susan Dunholter Xxxxx Xxxxxxxxx ; photography Paul McGuirkXxxx XxXxxxx. TX0003864322 6/24/1994 Delta Education, Inc. Soil science : DSM II teacher’s guide. TX0004441525 1/9/1997 Delta Education, Inc. Solar energy : teacher’s guide. TX0003845510 6/24/1994 Delta Education, Inc. Solar system : teacher’s guide / editing Editorial Services Plus and D. Louis Finsand Xxxxx Xxxxxxx ; ill./art production Nancy SchoeflXxxxx Xxxxxxx. TX0004446638 1/9/1997 Delta Education, Inc. Sound : teacher’s guide / editing Katy Z. Allen Xxxx X. Xxxxx ; ill./art production Nancy SchoeflXxxxx Xxxxxxx. TX0004440920 1/9/1997 Delta Education, Inc. Sound vibrations : activity guide. TX0004406460 11/1/1996 Delta Education, Inc. Sound vibrations : activity guide. TX0004406461 11/1/1996 Delta Education, Inc. Sound vibrations : activity guide. TX0004406462 11/1/1996 Delta Education, Inc. States of matter : teacher’s guide / editing Katy Z. Allen Xxxx X. Xxxxx ; ill./art production Nancy SchoeflXxxxx Xxxxxxx. TX0004446636 1/9/1997

Number Reg. Date Delta Education, Inc. Science in a Nutshell : flight! gliders to jets, activity journal. TX0004414313 11/1/1996 Delta Education, Inc. Scientific theories. TX0003593417 6/21/1993 Delta Education, Inc. Scientific theories. TX0003602057 6/21/1993 Delta Education, Inc. SCIS 3 energy sources. TX0003577675 6/21/1993 Delta Education, Inc. SCIS 3 relative position and motion. TX0003577674 6/21/1993 Delta Education, Inc. Simple machines : teacher’s guide / editing Editorial Services Plus ; ill./art production Nancy P. SchoeflXxxxx X. Xxxxxxx. TX0004015686 2/27/1995 Delta Education, Inc. Sink or float : Delta project cards / William R. BrownXxxxxxx X. Xxxxx, Edwin P. WhiteXxxxx X. Xxxxx. TX0000957852 8/11/1982 Delta Education, Inc. Sink or float? : teacher’s guide. TX0004446585 TX0000000000 1/9/1997 Delta Education, Inc. Small things and microscopes : teacher’s guide / author, Eileen Terrill Xxxxxx Xxxxxxx ; contributors, Jeanne DietschXxxxxx Xxxxxxx, William Kennedy Xxxxxxx Xxxxxxx and Bradford Taylor Xxxxxxxx Xxxxxx ; ill. Phyllis Pittet Xxxxxxx Xxxxxx and Susan Dunholter Xxxxx Xxxxxxxxx ; photography Paul McGuirkXxxx XxXxxxx. TX0003864322 6/24/1994 Delta Education, Inc. Soil science : DSM II teacher’s guide. TX0004441525 1/9/1997 Delta Education, Inc. Solar energy : teacher’s guide. TX0003845510 6/24/1994 Delta Education, Inc. Solar system : teacher’s guide / editing Editorial Services Plus and D. Louis Finsand Xxxxx Xxxxxxx ; ill./art production Nancy SchoeflXxxxx Xxxxxxx. TX0004446638 1/9/1997 Delta Education, Inc. Sound : teacher’s 's guide / editing Katy Z. Allen Xxxx X. Xxxxx ; ill./art production Nancy SchoeflXxxxx Xxxxxxx. TX0004440920 1/9/1997 Delta Education, Inc. Sound vibrations : activity guide. TX0004406460 11/1/1996 Delta Education, Inc. Sound vibrations : activity guide. TX0004406461 11/1/1996 Delta Education, Inc. Sound vibrations : activity guide. TX0004406462 11/1/1996 Delta Education, Inc. States of matter : teacher’s guide / editing Katy Z. Allen Xxxx X. Xxxxx ; ill./art production Nancy SchoeflXxxxx Xxxxxxx. TX0004446636 1/9/1997