TY  - BOOK
AU  - Leff,Gordon
TI  - History and social theory / 
SN  - 0817366059
AV  - D16 .L48 1969
U1  - 907.2 
PY  - 1969///]
PY  - 1971///.
CY  - University, Ala., New York
PB  - University of Alabama Press, Anchor Books, 
KW  - History
KW  - Methodology
KW  - Research
N1  - Bibliographical footnotes
ER  -