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- Asia (magazine)
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- Asiatic Herpetological Research Society.
- Asiatic Museum (Calcutta, India)
- Asiatic Society (Kolkata, India)
- Asiatic Society of Bengal
- Asiatic Zoölogical Expedition of the American Museum of Natural History (1st : 1916-1917)
- Asiatic Zoölogical Expedition of the American Museum of Natural History (2nd :1918-1919)
- Asih, Ni Putu
- Asima, Ashraf
- Asimakis, Elias
- Asinelli, Marta Eglaé Camargo
- Asipuela, René
- Asiry, Khalid A
- Asis, Augusto A.
- Asis, Josep D
- Asis, Josep Daniel
- Asís-Anastasio, Uribe
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- Askenback Brothers.
- Askevold, Ingolf S.
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- Askov Nursery.
- Askoy (Schooner)
- Askoy Expedition 1941-1945
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- Aslaksen, Iulie
- ASLAM, SADAR
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- Aslan, Ali
- Aslan, Clare E.
- Aslan, Ebru Gul
- Aslan, Irfan
- Aslin, Fred W
- Aslin, Heather J
- Asling, C. W.
- Aslop, Fred J. III
- Asmita, Nuri
- Asmous, Vladimir C
- Asmuni, Mustafa
- Asmus, E. A.
- Asmus, Haraldo Erwin
- Asmus, J.
- Asner, Gregory P.
- Aso, Ola
- Asociación Argentina De Ciencias Naturales, Buenos Aires.
- Asociación Argentina de Ciencias Naturales.
- Asociación Colombiana para el Avance de la Ciencia,
- Asociación de Labradores de Zaragoza.
- Asociación Latinoamericana de Botánica,
- Asociación Ornitológica del Plata
- Asociación Peruana para el Progresso de las Ciencia.
- Asociación salitrera de propaganda, Iquique, Chile.
- Asonganyi, J
- Asorey, Cynthia
- Asorey, Cynthia M
- Asotra, Satish
- Asoyama, S
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- Aspe, Nonillon M.
- Aspelin, Elias, 1721-1795
- Aspelund, Trond
- Asperti, Lilian Maria
- Aspey, Wayne P
- Asphalt Roof Coating Co.
- Aspillaga, Eugenio
- Aspinall, Phil.
- Aspinall, R. J.
- Aspinwall, D. R.
- Aspinwall, Dylan
- Aspizua, Rut
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- Assèdé, Eméline S. P.
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- Assembly of Mathematical and Physical Sciences (U.S.). Naval Studies Board.
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- Assing, Volker
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- Assinniboine & Saskatchewan Exploring Expedition 1858-
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- Assis, Elton Luis Monteiro de
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- Assis, Jorge
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- Associated agricultural convention Boston) 1851-
- Associated Bulb Growers Of Holland,
- Associated Dahlia Growers.
- Associated fanciers.
- Associated Seed Growers, Inc.
- Associated Seeds, Inc.
- Associated Seeds, Inc. (San Antonio, Tex.)
- Associates of the National Agricultural Library.
- Association amicale des élèves et anciens élèves de la Faculté des sciences de l'Université de Paris.
- Association Britannique pour l'avancement des sciences.
- Association de la protection des forêts de la province de Québec. Convention Montréal, Québec) 1918-
- Association des amis des cryptogames, France
- Association Des Anatomistes.
- Association des naturalistes de Levallois-Perret.
- Association for Promoting the Discovery of the Interior Parts of Africa.
- Association for the Advancement of Women.
- Association for the Aid of Crippled Children.
- Association for the Protection of Sea Birds on the English Coast.
- Association for the Relief of the Manufacturing and Labouring Poor (London, England)
- Association for the Sciences of Limnology and Oceanography
- Association for the Study of Internal Secretions (U.S.)
- Association forestière canadienne. Convention Montréal, Québec) 1908-
- Association forestière canadienne. Convention Ottawa, Ont.) 1906-
- Association française pour l'avancement des sciences.
- Association française pour l'avancement des sciences. Congrès Reims, France) 1880-
- Association horticole lyonnaise.
- Association internationale des botanistes.
- Association of American Agricultural Colleges and Experiment Stations.
- Association of American Agricultural Colleges and Experiment Stations. Commission on agricultural research.
- Association of American Agricultural Colleges and Experiment Stations. Convention.
- Association of American agricultural colleges and experiment stations. Executive committee.
- Association of American Anatomists.
- Association of American Geologists and Naturalists.
- Association of American Physicians.
- Association of Applied Biologists.
- Association of Bay Area Governments.
- Association of Breeders of Thorough-Bred Neat Stock.
- Association of Economic Biologists.
- Association of Economic Entomologists. Meeting Springfield, Mass.) 1895-
- Association of experiment station veterinarians.
- Association of Fish and Wildlife Agencies
- Association of Land-Grant Colleges and Universities.
- Association of Land-Grant Colleges.
- Association of Offical Analytical Chemists(U.S.). Commitee on Revision of Methods.
- Association of Official Agricultural Chemists (U.S.)
- Association of official agricultural chemists.
- Association of Official Agricultural Chemists. Committee on Editing Methods of Analysis.
- Association of Official Analytical Chemists. Committee on Editing Methods of Analysis.
- Association of Southeastern Biologists.
- Association of Southern Agricultural Workers.
- Association of State College and University Forestry Research Organizations.
- Association of sugar producers of Puerto Rico. Experiment station, Rio Piedras.
- Association Of Systematics Collections
- Association pour l'étude taxonomique de la flore d'Afrique tropicale. Réunion plenière Missouri Botanical Garden) 1985-
- Association provinciale agricole.
- Association scientifique de France.
- Association technique maritime et aéronautique (France)
- Association Vahatra,
- Association zoologique du Léman.
- Associazione agraria friulana.
- Associazione agricola Lombarda di Cote del Palasio.
- Assogbadjo, Achille Ephrem
- Asson-Batres, Mary Ann.
- Assou, Délagnon
- Assumpção, Jorge
- Assumpção, José Maria
- Assumpção, José Vespasiano Lisboa
- Assumpção, Lucileine de
- Assumpção, Maria I.
- Assumpção, Mariana
- Assunção Oliveira, Gabriel
- Assunção, Nayla Letícia Rodrigues
- Assunção, Paulo Apóstolo
- Assunção, Sérgio Lelis
- Assunção, Vivian Almeida