By Gilson, Etienne Henry,.
New Haven Yale University Press ; London H. Milford | Oxford University Press 1941 .
xviii, 147 p. , Powell lectures on philosophy at Indiana university / W.H. Jellema, editor ; 5th ser.

By Maritain Jacques,.
Latrobe, Pennsylvania The Archabbey Press 1960 .
53 p. , Translation of : Approaches de Dieu.