B1.M672.I43 Biographical dictionary of twentieth-century philosophers/ edited by Iljon, Ariane.
Munchen :Kraus International Publications,, 1980. vii, 209 p.
80-516337
B11.C36 2006 Biographical dictionary of twentieth-century philosophers/ edited by Campbell, James,
Chicago, Ill. :Open Court,, c2006. xi, 339 p. :
2006-023000