TY  - BOOK
AU  -  Perry,Ralph Barton
TI  -  Present philosophical tendencies : :  a critical survey of naturalis m, idealism, pragmatism, and realism ; 
U1  -  100 
PY  - 1955///
CY  -  New York : 
PB  -  G. Braziller, 
KW  -  Philosophy, Modern
ER  -