• 52 Books

• 6 Legumes
• 6 Tropical conditions
• 5 Soils
• 5 Tropical crops
• 4 Bananas
• 3 Cacao
• 3 Diseases and pests
• 3 Oil palm
• 3 Rice
• 2 Irrigation
• 2 Research
• 2 Soil fertility
• 2 Sorghum
• 2 Tobacco
• 2 Virus diseases of plants
• 1 Agriculture
• 1 Agroforestry
• 1 Agroforestry education
• 1 Beef cattle
• 1 Beef industry
• 1 Breeding
• 1 Buffaloes
• 1 Cassava
• 1 Cattle
• 1 Clay soils

• 7 Nettai Nōgyō Kenkyū Sentā
• 4 Simmonds, N. W. (Norman Willison), 1922-
• 3 Hartley, C. W. S. (Charles William Stewart), 1911-
• 2 Akehurst, B. C
• 2 Doggett, Hugh
• 2 Lal, R
• 2 Urquhart, D. H. (Duncan Hector)
• 1 Ahn, Peter M
• 1 Baulkwill, W. J. (William John), 1919-
• 1 Blackburn, Frank, 1920-1980
• 1 Boehnert, Joachim
• 1 Cagauan, Bernardino G. (Bernardino Garcia), 1940-
• 1 Chamberlain, A. (Anne), 1950-
• 1 Coursey, D. G. (Donald Gilbert)
• 1 Devendra, C
• 1 Evans, D. O. (Dale Ordway), 1943-
• 1 Ezumah, Humphrey C
• 1 Gillman, G. P. (Gavin Patrick)
• 1 Hagan, Ross E. (Ross Ellis)
• 1 Hahn, S. K
• 1 Hansen, Alexander P
• 1 Haswell, Margaret, 1917-
• 1 Hill, Dennis S., 1934-
• 1 Hill, Desmond, 1917-
• 1 Inter-Asian Corn Program

• 11 Tropics
• 2 Hawaii
• 1 Asia
• 1 Developing countries
• 1 Ibadan region
• 1 Japan
• 1 Nigeria
• 1 Southeast Asia
• 1 Tanzania
• 1 United States

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