Bibliography of Blackwelder, Richard E., by subject:

•	Zoology -- Variation (1)
•	Reproduction (1)
•	Beetles -- Central America -- Classification (1)
•	Insects -- Latin America (1)
•	Beetles -- North America -- Classification (1)
•	Tolkien, J. R. R. -- (John Ronald Reuel),1892-1973 -- Lord of the rings (1)
•	Beetles -- Latin America (1)
•	Zoology -- Classification -- Bibliography (1)
•	Tolkien, J. R. R. -- (John Ronald Reuel),1892-1973 -- Dictionaries (1)
•	Middle Earth (Imaginary place) -- Indexes (1)
•	Beetles -- West Indies -- Classification (1)
•	Vertebrates -- Classification -- Bibliography (1)
•	Fantasy fiction, English -- Indexes (1)
•	Animals -- Variation (1)