TY  - BOOK
AU  - Burley Walter
TI  - On the purity of the art of logic :  the shorter and the longer treatises translated by Paul Vincent Spade
T2  - Yale library of medieval philosophy
SN  - 0300082002 (hbk)
U1  - S:44, P0 (SC) 
PY  - 2000///
CY  - New Haven 
PB  - Yale University of Press   
KW  - PSYCHOLOGY
ER  -