TY  - BOOK
AU  - Zimmerman,Carle Clark
TI  - Outline of social change and progress: Basic hypotheses and suggested readings for western society from the later roman empire to the atomic ago
AV  - HN8 Z54
PY  - 1946///
CY  - Cambridge
PB  - Phillips book store
KW  - Progreso
KW  - Historia social
ER  -