TY  - BOOK
AU  - Gottschalk,Louis Reichenthal
TI  - Understanding history: a primer of historical method 
AV  - D13 .G75 1961
PY  - 1961///, c1950
CY  - New York
PB  - A. Knopf
KW  - Historiography
N1  - Includes bibliographical references and index
ER  -