TY  - BOOK
AU  - Leopold, Richard William
AU  - Link, Arthur S.
TI  - Problems in American history
U1  - 973 PRO 23
PY  - 1955///
CY  - United States of America
PB  - Prentice-Hall
KW  - United States
KW  - History
KW  - Sources
N1  - Includes bibliographical references
ER  -