TY  - BOOK
AU  - Leibniz Gottfried Wilhelm
TI  - Philosophical papers and letters tr and ed by Leroy E Loemker
T2  - Synthese historical library : texts and studies in the history of logic and philosophy , ed by N Kretzmann etc
U1  - R3xK46x, J6;K9 
PY  - 1969///
ER  -