- Imakawa, Angela Maria
- Imam, Ekwal
- Imamoglu, H Oguz
- Imamura, Hisashi
- Imani, Sohrab
- Imanpour Namin, Javid
- Imansyah, M Jeri
- Imao, Keinen.
- Imas, María
- Imaseki, T.
- Imatomi, Maristela
- Imba Lliquin, Segundo M
- Imba, Segundo M
- Imbassahy, Caio Amitrano de Alencar
- Imbeau, Louis
- Imbert Palafox, José Luis
- Imbert, François
- Imberti, Iseppo,
- Imberti, Santiago
- Imbimbo, Hélio Rubens Victorino
- Imbiriba, Emir Palmeira
- Imboma, Titus
- Imbres, Caroline
- Imbrie, John.
- IMC Consulting Group.
- Imdorf, Anton
- Imdorf, Gregory J
- Imecs, István
- Imentai, Aiman
- Imes, Marion.
- Imfeld, S
- Imhof, Othmar Emil, 1855-1936
- Imhof, Thomas A
- Imhoff, Johannes F, 1951-
- Imhoff, Ludwig, 1801-1868
- Imin, Kamin
- Imison, John, 1788
- Imlay Company.
- Imlay, John D.
- Imlay, Tara Leah
- Imler, Ralph H.
- Immel, Harald
- Immelmann, Gertrud.
- Immelmann, Klaus.
- Immerman, Ferdinand
- Immers, Janis
- Immerz, Peter
- Immler, Eva
- Immler, Rolf M, 1944-
- Imms, A. D. (Augustus Daniel), 1880-1949
- Imms, Alison
- Imori, Tatsuo
- Imp. Tourfaut,
- Impecuniosus.
- Impekoven, Monica, 1936-
- Imper, David
- Imper. Monast. s. Ambrosii majoris.
- Imperato, Ferrante, 1550-1625
- Imperato, Filippo
- Imperato, Francesco.
- Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia)
- Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia). Fiziko-matematicheskoe otdielenīe.
- Imperatorskai͡a akademīi͡a nauk (Russia). Istoriko-filologicheskoe otdi͡elenīe.
- Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia). Zoologicheskiĭ muzeĭ.
- Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia). Zoologicheskīĭ muzeĭ.
- Imperatorskai︠a︡ akademīi︠a︡ nauk i khudozhestv (Russia)
- Imperatorskīǐ botanicheskīǐ sad Petra Velikago
- Imperatorskii institut eksperimentalnoi meditsiny (Russia).
- Imperatorskīĭ kharʹkovskīĭ universitet.
- Imperatorskii Sankt-Peterburgskii botanicheskii sad.
- Imperatorskoe obshchestvo liubitelei estestvoznaniia, antropologii i etnografii (Russia)
- Imperatorskoe obshchestvo liubitelei estestvoznaniia, antropologii i etnografii (Russia). Kommissiia dlia issledovaniia fauny Moskovskoi gubernii.
- Imperatorskoe obshchestvo selskago khoziaistva iuzhnoi Rossii.
- Imperatorskoe russkoe geograficheskoe obshchestvo
- Imperatorskoe russkoe geograficheskoe obshchestvo. Fizicheskii otdiel.
- Imperatorskoe russkoe geograficheskoe obshchestvo. Sibirskaia ekspeditsiia (1859-)
- Imperatriz-Fonseca, Vera Lúcia
- Imperial Agricultural Research Institute (India)
- Imperial Bureau of Entomology.
- Imperial Flower Garden.
- Imperial Forest College (Dehradun, India)
- Imperial Institute (Great Britain)
- Imperial Institute of Agricultural Research (India)
- Imperial Institute of Entomology.
- Imperial Iris Gardens,
- Imperial Nurseries.
- Imperial royal agricultural association of Carniola.
- Imperial Seed and Plant Co.
- Imperial Walnut Nursery.
- Imperiali Typographeo.
- Implement Company.
- Imprimerie A. Carro,
- Imprimerie Becquet.
- Imprimerie Crété,
- Imprimerie d'A. René et Cie.,
- Imprimerie D'A. Sirou Et Desquers,
- Imprimerie D'A. Sirou,
- Imprimerie d'Amédée Gratiot,
- Imprimerie de Bacquenois,
- Imprimerie de Casimir,
- Imprimerie de Cosson,
- Imprimerie de Crapelet (Paris, France)
- Imprimerie de Crapelet (Paris, France),
- Imprimerie de De Breuk & Smits,
- Imprimerie de Decourchant,
- Imprimerie de Didot, jeune, Pierre, 1761-1853
- Imprimerie de É. Martinet,
- Imprimerie de F.G. Levrault,
- Imprimerie De Fain Et Thunot (Paris, France),
- Imprimerie de Fain et Thunot,
- Imprimerie de Fain,
- Imprimerie de J.G. Neubert,
- Imprimerie de Langlois.
- Imprimerie de Le Normant,
- Imprimerie de Louis Guérin,
- Imprimerie de Malassis le Jeune,
- Imprimerie de Millevoy,
- Imprimerie de Mme. Ve. Bouchard-Huzard,
- Imprimerie de P. Trenel,
- Imprimerie de P.A. Élies,
- Imprimerie de Plassan,
- Imprimerie de Raymond Noubel,
- Imprimerie de Terzuolo,
- Imprimerie de Weissenbruch père,
- Imprimerie Dondey-Dupré,
- Imprimerie du Dépôt des lois,
- Imprimerie E. Thunot Et Cie (Paris, France),
- Imprimerie Et Fonderie De Fain
- Imprimerie Lemercier et cie,
- Imprimerie Lemercier et cie.
- Imprimerie Lemercier,
- Imprimerie nationale (France)
- Imprimerie royale (France)
- Imprimerie Vve P. LaRousse et cie.,
- Imre, Haydar Birol
- Imre, István
- Imshaug, Henry A.
- Imués-Figueroa, Marco Antonio
- Inaba, Akihiko
- Inaba, Tadaaki
- Inäbnit, Thomas
- Inácio, C A
- Inácio, Camila Dellanhese
- Inácio, Maira Lurdes
- Inaebnit, Thomas
- Inama, Velma S.
- Inamdar, N B
- Inamori, Megumi
- Inashima, M David
- Inasu, Molly Kurian
- Inasu, N D
- Inayatullah, Mian
- Inayoshi, Yutaka
- Ince Nursery Company.
- Ince, Joseph Murray, 1806-1859
- Ince, Joseph, 1826-1907
- Incerpi, Erika Kristina
- Inchausty, Victor H
- Inches, James
- Inci, Abdullah
- Incigneri, Yvonne
- Inckot, Renata Charvet
- Inclán, Diego
- Incorvaia, Inés S.
- Incremental Forest Technologies Ltd.
- Incze, Lewis S
- Indacochea, Aldo
- Indelicato, Nicholas
- Independence Nurseries (Independence, Ohio)
- Independence Nurseries Co. (Independence, Ohio)
- Independent Fruit Co.
- Independent Scientific Advisory Board (U.S.)
- Inderbitzin, Patrik
- Indermuehle, Balthasar Tobias
- Indermuhle, G.
- India, Government Of
- India. Board of Agriculture.
- India. Dept. of Agriculture.
- India. Forest Dept.
- India. Marine Survey
- Indian City Farm (Pontiac, Ill.)
- Indian Council of Agricultural Research
- Indian Council of Agricultural Research. Directorate of Knowledge Management in Agriculture,
- Indian Council of Agricultural Research. Directorate of Knowledge Management in Agriculture.
- Indian Crossing Nurseries.
- Indian Hill farm, inc.
- Indian Museum.
- Indian River Nurseries.
- Indian Spring Farms.
- Indian Stone Gardens.
- Indiana Academy of Science.
- Indiana Academy of Science. Meeting.
- Indiana Agricultural Experiment Station. Botanical Department.
- Indiana and Michigan Electric Company.
- Indiana Botanic Gardens,
- Indiana Dahlia Farm.
- Indiana Dahlia Farms (Firm)
- Indiana Dahlia Farms.
- Indiana horticultural society.
- Indiana Horticultural Society. Meeting.
- Indiana Native Plant and Wildflower Society.
- Indiana Native Plant Society.
- Indiana Nut Nursery,
- Indiana Nut Nursery.
- Indiana Nut Nursrery.
- Indiana Polled Shorthorn Association.
- Indiana Shorthorn Breeders' Association
- Indiana silo co., Anderson, Ind.
- Indiana University
- Indiana University. Biological Station
- Indiana University. Laboratory of Pathology and Bacteriology.
- Indiana. Agricultural experiment station, Lafayette.
- Indiana. Biological station.
- Indiana. Dept. of Conservation.
- Indiana. Dept. of Conservation. Division of forestry.
- Indiana. Dept. of Geology and Natural Resources
- Indiana. Dept. of Geology and Natural Resources.
- Indiana. Dept. of public instruction.
- Indiana. Geological Survey.
- Indiana. State board of agriculture.
- Indiana. State Board of Agriculture.
- Indiana. State entomologist.
- Indiana. State Veterinarian.
- Indianapolis Dahlia Gardens.
- Indicatti, Rafael P.
- Indira, K
- Indira, S
- Indisch-Amerikaansche Expeditie (1938-1939)
- Indonesia. Departemen Pertanian, Perindustrian dan Perdagangan
- Indonesia. Departemen Pertanian.
- Indonesia. Departement van Landbouw, nijverheid en handel.
- Indra, R
- Indra, T J
- Indraji, Jayakrshna.
- Indrajith, W.A.A.D. Upul
- Indrawan, Mochamad
- Indrusiak, Leocadia F
- Indurkar, S S
- Industrial and Technological Museum (Melbourne, Vic.)
- Industrial League.
- Industrial Technology Development Institute (Philippines)
- Industrial Vegetation Management Association of Alberta.
- Industrial Waste Diversion Program (Ont.)
- Industrial Workers of the World.
- Industrie-Comptoir (Weimar, Thuringia, Germany)
- Industrie-Comptoir (Weimar, Thuringia, Germany),
- Industrious Hen Co.
- Inebnit, Thomas
- Ineich, Ivan
- Ineichen, H