• 2 Forest plants
• 2 Forest products
• 2 Rain forests
• 2 Research
• 1 Forest animals
• 1 Forest ecology
• 1 Institute of Tropical Forestry (Río Piedras, San Juan, P.R.)
• 1 International Institute of Tropical Forestry (Río Piedras, San Juan, P.R.)

• 4 Food and Agriculture Organization of the United Nations
• 1 David Lubin Memorial Library
• 1 Food and Agriculture Organization of the United Nations. Library and Documentation Systems Division
• 1 Food and Agriculture Organization of the United Nations. Regional Office for Latin America and the Caribbean
• 1 Institute of Tropical Forestry (Río Piedras, San Juan, P.R.)
• 1 Instituto Nacional de Investigaciones Forestales (Mexico)
• 1 Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (Spain)
• 1 International Institute of Tropical Forestry (Río Piedras, San Juan, P.R.)
• 1 Mexico. Secretaría de Agricultura y Recursos Hidráulicos
• 1 Southern Forest Experiment Station (New Orleans, La.)
• 1 United Nations Environment Programme. Oficina Regional para América Latina y el Caribe
• 1 Universidad de los Andes (Mérida, Venezuela). Facultad de Ciencias Forestales

• 7 English
• 5 French

• 2 Mexico
• 2 Tropics
• 1 Caribbean Area
• 1 Latin America
• 1 Spain
• 1 Venezuela

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