TY  - BOOK
AU  - Spencer,Herbert, x
AU  - x
TI  - First principles: x
SN  - x
U1  - RB121/S745f 
PY  - 1922///
CY  - London
PB  - Williams an Norgate
KW  - Epistomology
KW  - Knowledge
N1  - Includes
ER  -