The dynamics of long-term agricultural development in Nigeria, by C.K. Carr.-Cocoa and economic development in Western Nigeria, by S.S. Berry.-The origins of the groundnut trade in Northern Nigeria, by J.S. Hogendorn.-The influence of colonial policy on the growth and development of Nigeria's industrial sector, by C. Liedholm.-Performance of the Nigerian economy, 1950-1962, by S. Berry and C. Liedholm.-Ana analysis of Nigerian Government expenditure patterns, 1950-1962, by C.R. Nixon.-The fiscal role of the marketing boards in Nigerian economic development, 1947-1961, by G.K. Helleiner.-The role of the marketing in the political evolution of Nigeria, by C.R. Nixon.-The Mokwa land settlement scheme, by K.D.S. Baldwin.-Investment in education (The Ashby report).-Comprehensive economic planning in Nigeria, by L.M. Hansen.-Social factors in economic planning, with special reference to Nigeria, by W. Stolper.-Issues in agricultural policy during the 1962-1968 Nigerian development plan, by J.C. Wells.-New sources of growth in a stagnant smallholder economy in Nigeria: the Oil plan rehabilitation scheme, by M.J. Purvis.-Contractor finance and supplier credit in economic growth, by A.A. Ayida.-Nigerian entrepreneurship in industry, by J.R. Harris.-Economic growth and political instability in Nigeria: on growing together again, by W.F. Stolpher.-Nigerian petroleum: implications for medium-term planning, by S.R. Pearson.-Policy for Nigerian agricultural development in the 1970's, by C.K. Eicher and G.L. Johnson.-From Ashby to Reconstruction: manpower and education in Nigeria, by F.H. Harbison.-Towards a West African Economic Community, by H.M.A. Onitiri.-Selected bibliography, 1966-1969 (p. 441-452).