TY  - BOOK
T1  - America in the twentieth century
T2  - Asking about the USA and its neighbors
A2  - Davis, O.L. junior
LA  - English
PP  - New York u.a.
PB  - American Book
YR  - 1971
ED  - [Bd.] 6
UL  - http://glotrec.wdi-staging.gei.de/cat/Record/gei640045669
KW  - Schulbuch
ER  -