TY  - BOOK
AU  - Santayana George
TI  - Life of reason or the phases of human progress
U1  - R3xM63, K2.1-.5 
PY  - 1962///
CY  - New York
PB  - Collier Books U. S. A.     
KW  -  Philosophy
KW  - Metaphysics
ER  -