Columbia subject headings:
Philosophers--Greece--Biography.
Philosophy and science.
Thales, approximately 634 B.C.-approximately 546 B.C.
Harvard subject headings:
Philosophers--Greece--Biography
Philosophy and science.
Thales, approximately 634 B.C.-approximately 546 B.C.
Princeton subject headings:
Philosophers--Greece--Biography.
Philosophy and science.
Thales, approximately 634 B.C.-approximately 546 B.C.