Columbia subject headings:
Castañeda, Hector-Neri, 1924-1991.
Philosophy.
Harvard subject headings:
Castañeda, Hector-Neri, 1924-
Castañeda, Hector-Neri, 1924-1991.
Philosophy.
Princeton subject headings:
Castañeda, Hector-Neri, 1924-1991.
Philosophy.