TY  - BOOK
AU  - Locke, Don.
TI  - Perception and our knowledge of the external world
T2  - Muirhead library of philosophy
SN  - MBS7117
U1  - 121.34 
PY  - 1967///
CY  - London
PB  - Allen & Unwin
KW  - Perception.---
ER  -