TY  - BOOK
T1  - To 1877
T2  - These United States
A2  - Unger, Irwin
A2  - Unger, Debi
LA  - English
PP  - Boston u.a.
PB  - Little, Brown
YR  - 1978
UL  - https://glotrec.wdi-testing.gei.de/cat/Record/gei564601810
KW  - Lehrbuch
ER  -