TY  - BOOK
AU  - WELTON (J)
TI  - Manual of logic Vol.1 
U1  - 160/92 
PY  - 1912///
CY  - London
PB  - University Tutorial Press
KW  - Vol.1
KW  - of
KW  - Manual
KW  - logic
KW  - Ed.2
ER  -