Nyasaland and Northern Rhodesia — corridor to the North by Norman H. Pollock Pittsburgh, Duquesne University Press, 1971. pp. 576. $15.00.The Northern Rhodesia Copperbelt, 1899—1962— technological development up to the end of the Central African Federation by Francis L. Coleman Manchester University Press and Clifton, N.J., Augustus M. Kelly, 1971. pp. 206. £3.60.Reaction to Colonialism — a prelude to the politics of independence in Northern Zambia, 1893–1939 by Henry S. Meebelo Manchester University Press, 1971. pp. 304. £2.40 cloth. £1.20 paperback.The Elites of Barotseland, 1878–1969 — a political history of Zambia's Western Province by Gerald L. Caplan London, C. Hurst, 1970, pp. 270. £3.15.