- Botany + Study and teaching + Activity programs
- Education, Secondary + Activity programs -- United States
- Children -- West (U.S.) -- History -- 19th century -- Study and teaching -- Activity programs -- Juvenile literature
- Art + Study and teaching + Activity programs -- Handbooks, manuals, etc
- United States -- History -- Colonial period, ca. 1600-1775 -- Activity programs
- Tundra ecology + Study and teaching + Activity programs -- Juvenile literature
- Children's libraries + Activity programs
- West (U.S.) -- Social life and customs -- Study and teaching -- Activity programs -- Juvenile literature
- Young adults' libraries + Activity programs -- United States
- Egypt -- Civilization -- To 332 B.C -- Study and teaching -- Activity programs -- Juvenile literature
- Astronomy + Study and teaching + Activity programs -- Juvenile literature
- Forest ecology + Study and teaching + Activity programs -- Juvenile literature
- Technology + Study and teaching (Elementary) + Activity programs
- School libraries + Activity programs -- United States
- Dinosaurs + Study and teaching + Activity programs -- Juvenile literature
- Weather + Study and teaching + Activity programs -- Juvenile literature
- Presidents + Study and teaching (Elementary) + Activity programs -- United States
- Children's libraries + Activity programs -- United States
- Children -- United States -- History -- 17th century -- Activity programs
- Jefferson, Thomas, 1743-1826 -- Study and teaching (Elementary) -- Activity programs
- School libraries + Activity programs
- Middle East -- Civilization -- To 622 -- Study and teaching -- Activity programs -- Juvenile literature
- Nature study + Activity programs
- Autumn + Study and teaching (Elementary) + Activity programs
- Pond ecology + Study and teaching + Activity programs -- Juvenile literature
- Engineering + Study and teaching (Elementary) + Activity programs
- Science + Study and teaching (Elementary) + Activity programs
- Thought and thinking + Study and teaching (Elementary) + Activity programs -- Juvenile literature
- Education, Elementary + Activity programs
- Snakes + Study and teaching (Elementary) + Activity programs
- Ranch life -- West (U.S.) -- Study and teaching -- Activity programs -- Juvenile literature
- West (U.S.) -- Discovery and exploration -- Study and teaching -- Activity programs -- Juvenile literature
- Electronic circuits + Study and teaching + Activity programs
- Early childhood education + Activity programs
- Mathematics + Study and teaching (Elementary) + Activity programs -- Juvenile literature
- Lewis and Clark Expedition, 1804-1806 -- Study and teaching -- Activity programs -- Juvenile literature
- Insects + Study and teaching (Elementary) + Activity programs
- Education, Preschool + Activity programs -- Handbooks, manuals, etc
- United States -- Social life and customs -- To 1775 -- Activity programs
- Plants + Study and teaching (Elementary) + Activity programs
- Libraries + Activity programs
- Education, Preschool + Activity programs
- Education, Primary + Activity programs
- Children -- United States -- History -- 18th century -- Activity programs
- Desert ecology + Study and teaching + Activity programs -- Juvenile literature
- Early childhood education + Activity programs + Materials
- Physical science -- Study and teaching (Elementary) -- Activity programs
- Gardening + Study and teaching + Activity programs -- Juvenile literature
- Art + Study and teaching (Preschool) + Activity programs
- Mathematics + Study and teaching (Elementary) + Activity programs