TY  - BOOK
AU  - Gottschalk,Louis Reichenthal
TI  - Understanding history: a primer of historical method. 
AV  - D13 .G75 1950
U1  - ARCH YNDC 907 G687U 
PY  - 1950///
CY  - New York
PB  - Knopf
KW  - Historiography
ER  -