TY  - BOOK
AU  - Nachtigal,Gustav
TI  - Sahara and Sudan
AV  - DT123.N124.S243 1974 
PY  - 1974///
CY  - New York
PB  - Barnes and Noble ; Harper and Row Publishers, Incorporated
KW  - Nachtigal, Gustav,
N1  - First published in German under the title Sahara und Sudan; 2
ER  -