TY - BOOK AU - Rotberg,Robert I. TI - Africa and its explorers: motives, methods, and impact SN - 0674007751 AV - DT3 .A36 1970 U1 - 960/.20922B PY - 1970/// CY - Cambridge PB - Harvard University Press KW - Explorers KW - Africa KW - Discovery and exploration N1 - Bibliography: p. 323-332 ER -