Swinton, E. D. The defence of Duffer's Drift / Ernest Swinton. - Wayne, N.J. : Avery Pub. Group, c1986. - xii, 72 p. ; ill. ; 23 cm. Contents not Available ISBN: 0895293234 (pbk.) LCCN: 86003423 Subjects--Topical Terms: Guerrilla warfare.South African War, 1899-1902.Tactics. Dewey Class. No.: 355,SWI