Bibliography of Webster, David L., by subject:

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•	Nature study -- Juvenile literature (8)
•	Science -- Experiments -- Juvenile literature (4)
•	Nature study (4)
•	Experiments (3)
•	Science projects -- Juvenile literature (3)
•	Mayas -- Antiquities (3)
•	Science -- Experiments (3)
•	Grip strength (2)
•	Winter (2)
•	Breast -- Diseases (2)
•	Weight training (2)
•	Honduras -- Antiquities (2)
•	Exercise (2)
•	Summer -- Juvenile literature (2)
•	Nature -- Experiments -- Juvenile literature (2)
•	Indians of Central America -- Honduras -- Antiquities (2)
•	Mammaplasty -- atlases (2)
•	Mastectomy -- Atlases (2)
•	Motion -- Juvenile literature (2)
•	Electronic books (2)

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