TY  - BOOK
AU  - Spencer, Herbert
TI  - Principles of sociology
U1  - Y 
PY  - 2007///
CY  - Ghaziabad, India
PB  - Ritwik Publications
N1  - v.1. The data of sociology - v.2. The inductions of sociology - v.3. Ceremonial institutions - v.4. Consultative bodies
ER  -