TY  - BOOK
T1  - Half-century of conflict
T2  - The Harper historical series
A1  - Easum, Chester Verne
LA  - English
PP  - New York
PB  - Harper
YR  - 1952
UL  - http://glotrec.wdi-staging.gei.de/cat/Record/gei564580686
CN  - D421
KW  - Twentieth century
KW  - World War, 1914-1918
KW  - World War, 1939-1945
KW  - Lehrbuch
ER  -