Trapnell, C.G. Ecological survey of Zambia : the traverse records of C.G. Trapne ll, 1932-43 / edited by Paul Smith. - Kew : Royal Botanic Gardens, c2001. - 3 v. : ill., maps (some col.) ; 25 cm. Vol. 3 has 2 folded colored maps in individual pockets. ISBN: 1842460056 (set of 3 vols.) 1842460021 (v. 1) 1842460048 (v. 2) 184246003X (v. 3) Subjects--Topical Terms: Botany, Economic-- Zambia.Ecological surveys-- Zambia.