Columbia subject headings:
Harvard subject headings:
Anthropology--Early works to 1870
Democritus, approximately 460 B.C.-approximately 370 B.C.
Ontology--Early works to 1800.
Philosophy, Ancient.
Physics--Early works to 1800
Princeton subject headings:
Ontology--Early works to 1800.
Philosophy, Ancient.
Physics--Early works to 1800.