TY  - BOOK
AU  - Pollard Sidney
TI  - Idea of progress:  History and society   
T2  - Pelican Books
U1  - Y:677, L1 
PY  - 1971///
CY  - Harmondsworth
PB  - Penguin Books         
KW  - Social Development
N1  - Bibliography: p 206-216
ER  -