TY - BOOK AU - Nachtigal,Gustav AU - Fisher,Allan George Barnard AU - Fisher,Humphrey John AU - ناختيغال، غوستاف TI - Sahara and Sudan SN - 9780900966774 U1 - 916.1209034 21E PY - 0000///24 cm + CY - London PB - C. Hurst N1 - Index; Notes bibliogr ER -