Ahn, Peter M. creator Irvine, Frederick Robert. text London Oxford U.P. c1970 3d ed. monographic 2 v. plates. illus., maps. 21 cm. v. 1. West African soils, by P. M. Ahn.--v. 2. West AFrican crops, by F. R. Irvine. First-2d eds., by F. R. Irvine, have title: A text-book of West African agriculture, soils and crops. Includes bibliographies. fw----- Agriculture Africa, West Plants, Cultivated Africa, West Soils Africa, West SB187.A35 .A63 1970 631/.0966 Irvine, Frederick Robert. 0198594089 72514705 UOEL 000 20250429102943.0 776930