Cosstaler, G. Iyamabo, D. E. Krugman, S. L and Fugalli, O. 1991. Tree improvement and Silvopastoral Management in Sahelian and North Sudanian Africa Problems, Needs and Research Proposals. IUFRO pp 147-155, 196 p.
FAO/UNEP. 1981. Tropical forest resources assessment project (in the framework of GEMS). Forest resources of Tropical Africa. Part II: Country briefs. FAO, Rome, Italy.
FAO, 1984. Appendix 8 Forest genetic resources priorities 8 Africa Report of the Fifth Session of the Panel of Experts on Forest Genetic Resources. Rome, Italy 8-11 December 1981, pp 52-100 FAO Rome. 101 p.
FAO. 1999. State of the worlds forests. Rome, Italy
Federal Department of Forestry, 1983. Nigerian Forestry Statistics 1983. 30 p
Leaky R B. and Sommons, A. J. 1998. The domestication and commercialization of indigenous trees in agroforestry for the alleviation of poverty Agroforestry Systems. 38 165-176
Momodu, A.B. Otegbeye, G. O. & Igboanugo A.B 1997. The priority multipurpose tree species (MPTs) of the arid and semi-arid areas of Nigeria: Identification, distribution and ethonobotanical values. Seminar paper delivered at the Forestry Research Institute of Nigeria Conference Hall Ibadan, June, 19 1997
Otegbeye, G. O & Oje, S. A 1995 Seed collection and handling activities of Savanna Forestry Research Station, Seed section, Nigeria. Forest Genetic Resources No 23 FAO, Rome 1995
Omiyale, O. 1990. Potentials of Arid Zone in Nigeria. Proceedings of the 20th Annual Conference of the Forestry Association of Nigeria 25th-30th, 1990
Putter, A. 1994. Safeguarding the forest genetic basis of Africas traditional crops. Proceeding of CTA/IBGRI/KARI/UNEP Seminar, 5-9 October 1992 Nairobi Kenya. pp 65-74,210 pp
Sarumi, M. B, Ladipo D.O Denton, L. Olapade E.O. Bagaru K. & Ughasoro C 1995. Plant Genetic Resources Conservation in Nigeria. Country Report prepared for the International Programme for Plant Genetic Resources (ICPPGR) F AO Federal Republic of Nigeria
Thulin, S 1970. Wood requirements in the savanna regions of Nigeria. FOR/NIG. 16 Tech Reports F AO, Rome 43 pp.
The Greenlight Magazine 1991-1994 Young Forester club publication EECIFGN Katsina Afforestation Project School Programme Katsina State. FAO.