L'Afrique centrale française. Récit du voyage de la mission Chevalier, Auguste, 1873-1956 creator Mission scientifique Chari-Lac Tchad. contributor text book Paris A. Challamel 1907 1907
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FRE At head of title: Mission Chari-Lac Tchad, 1902-1904. Africa, Central Chad, Lake Description and travel Natural history DT546.427 .C52 1907 https://www.biodiversitylibrary.org/bibliography/51810 9127562 10.5962/bhl.title.51810 U.S. Dept. of agr. Library