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Juvenile literature Science -- 40 Encyclopedias -- 26 Encyclopedias and dictionaries -- 17 Earth sciences -- 2 Encyclopedias 1 Geoglogy -- 1 more ...
Juvenile literature Science -- 40 Encyclopedias -- 26 Encyclopedias and dictionaries -- 17 Earth sciences -- 2 Encyclopedias 1 Geoglogy -- 1 more ...