Columbia subject headings:
Harvard subject headings:
Adventure stories, American--Dictionaries.
Burroughs, Edgar Rice, 1875-1950--Dictionaries, indexes, etc.
Burroughs, Edgar Rice, 1875-1950--Dictionaries.
Science fiction, American--Dictionaries.
Princeton subject headings:
Burroughs, Edgar Rice, 1875-1950--Dictionaries, indexes, etc.