- Guinea, Michael
- Guinet, Camille 1890-1974
- Guinet, Philippe
- Guiney, Russ
- Guiñez, Basilio
- Guiñez, Marcos
- Guiñez, Ricardo
- Guinier, Ernest, 1837-1908
- Guinier, Ph
- Guinot, Danièle
- Guinterius, Joannes, Andernacus, 1487-1574
- Guio, Juliana Constanza Barrios
- Guiol.
- Guioli, Simona
- Guiral, Daniel
- Guiraud, Louis 1838-
- Guiraud, Marie
- Guiraud, P
- Guirguis, Micheal S.
- Güiris Andrade, Dario Marcelino
- Guiry, Michael Dominic 1949-
- Guisado Aránguiz, Chita Bernarda
- Guisan, Fr. Lud.
- Guisande, Cástor
- Guise, William Vernon, Sir 1816-1887
- Guissard, Martin
- Guissou, Marie-Laure
- Guitard, A. A.
- Guitard, J.F.
- Guitel, Frédéric Sylvain, 1861-
- Guiteras, Gregorio Mario, 1863-1934
- Guiteras, John, 1852-1925
- Guitierrez, H. W.
- Guitteau, M
- Guitton, Tibério Leonardo
- Guitton, Yann
- Güiza Suárez, Leonardo
- Guizado, Sandra
- Guizot, M. 1787-1874
- Guizot, François, 1787-1874
- Guizze, Samuel P.G.
- Guja, Lydia
- Gujarat (India). Revenue Dept.
- Gukney, J H
- Gul, Bano
- Gul, Muhammad Athar
- Gül, Serkan
- Gul, Shamim
- Gularte, Juliana Schons
- Gulas, Bonnie E.
- Gulati, Ramesh D.
- Gulʹbin, Vladimir V. 1949-
- Guldberg, G. A. (Gustav Adolph), 1854-1908
- Gulde, Johann
- Guldemond & Co.
- Güler, Necmettin
- Guleria, Ramnaresh
- Gulf Biologic Station (La.)
- Gulf Coast Nursery.
- Gulf Coast Pecan Grove and Nursery.
- Gulf Coast Research Laboratory (Ocean Springs, Miss.)
- Gulf Oil Corporation.
- Gulf South Research Institute. Department of Analytical Chemistry.
- Gulf Stream Nursery,
- Gulgenova, Ayuna
- Gulick, Addison
- Gulick, John T. (John Thomas), 1832-1923
- Gulick, Luther Halsey, 1865-1918
- Gulielmum Gazeium.
- Gulinati, A M
- Gull Prairie Road Nurseries.
- Gull Prairie Road Nursery.
- Gull, C. Ranger (Cyril Ranger), 1876-1947
- Gullan, P K
- Gullan, P. J.
- Gullaumin, A
- Gülle, Iskender
- Gulle, Pınar
- Gulledge, Kimbereley J.
- Gulledge, Rose A
- Güller, Marina
- Güller, Roberto
- Gulley, F. A. (Frank Arthur)
- Gullian Klanian, Mariel
- Gullick, T M
- Gulliksen, Bjørn
- Gullion, Gordon W
- Gulliver, George
- Gulliver, George, 1804-1882
- Gulliver, Richard
- Gullo, Bettina S.
- Gullo, Maria
- Gully, James Manby, 1808-1883
- Gulmahamad, Hanif
- Gulmon, Sherry Lynn
- Gulomov, Rustam
- Gulson, Brian L.
- Gültekin, Levent
- Gultemirian, María de Lourdes
- Guman Singh, K
- Gümbel, Carl Wilhelm von, 1823-1898
- Gümbel, Theodor, 1812-1858
- Gumble, Albert, 1883-1946
- Gumboski, Emerson Luiz
- Gumez, Jean-Luc
- Gumier-Costa, Fabiano
- Gumilla, Joseph, 1750
- Gumm, W. L.
- Gummer, Bill
- Gummer, David L.
- Gummow, F M
- Gummow, F. M.
- Gumovsky, Alex V
- Gump, J. B.
- Gumppenberg, Carl, Freiherr von, 1833-1893
- Gumtz, John.
- Gümüs, Burçin
- Gumwood Nurseries.
- Gunale, V R
- Gunaratna, Miluka
- Gunaseelan, Sugantha
- Gunaseeli, B. Prema
- Gunasekaran, G
- Gunathilagarj, K
- Gunatilleke, I A U N
- Gunatilleke, Savitri
- Gunawan, Cipto Aji
- Gunawardena, E. R. N.
- Gunawardene, Nihara R.
- Gunckel Lüer, Hugo,
- Gundacker, Dietmar
- Gundel, Pedro E
- Gunder, Jeane Daniel, 1888-1948
- Gunderina, Larisa
- Gundermann, Jean-Luc
- Gundersen, Alfred, 1877-1958
- Gundersen, Deke T.
- Gundersen, Ralph W
- Gundersen, Review By: A
- Gundersen, Review By: Alfred
- Gunderson, A. J. (Alfred Joseph), 1889-
- Gunderson, Donald R
- Gunderson, Julius J.
- Gundestrup's Seed Store.
- Gundlach, Johannes Christoph, 1810-1896
- Gundron, Noel J
- Güngor, Ayse
- Gunhold, Peter
- Gunji, Yousuke
- Gunn Seed Company.
- Gunn, Anne (Wildlife manager)
- Gunn, Bee Fong
- Gunn, C R
- Gunn, Charles R. 1927-
- Gunn, Ed. S.
- Gunn, John William Cormack 1889-1941
- Gunn, John.
- Gunn, Michael
- Gunn, Robert G.
- Gunn, Robert Marcus 1850-1909
- Gunn, Ronald C.
- Gunn, Ronald Campbell, 1808-1881
- Gunn, S B
- Gunn, S W
- Gunn, Teko
- Gunn, Thomas Edward, 1844-1923
- Gunn, William W H
- Gunnarsson, Bengt
- Gunnell, Gregg F.
- Gunner, Haim B. 1924-
- Gunner, Simon T.
- Gunnerson, James H
- Gunning, J W B
- Gunsaulus, Frank W. 1856-1921
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- Gunson, Higbie & Co.
- Gunson, J. R.
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- Gunter, John E.
- Güntert, Marcel
- Gunther Gardens.
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- Günther, Bruno
- Gunther, Carl E. M.
- Günther, Carl, 1854-1929
- Günther, Ernst, 1870-
- Günther, Friedrich August.
- Günther, Friedrich Christian.
- Günther, Hannes
- Günther, Karl, 1855-1917
- Günther, Klaus, 1907-1975
- Günther, Kurt K.
- Günther, Manfred
- Gunther, R. T. (Robert Theodore), 1869-1940
- Günther, Rainer
- Günther, Siegmund, 1848-1923
- Günther, Wilhelm August, 1833-1910
- Gunthorp, Horace
- Gunthorpe, Martha E.
- Guntle's Dahlia Gardens.
- Gunton, Laetitia
- Güntsch, Anton
- Güntz, Max, 1861-
- Güntzel, Adriana Maria
- guo jia huan jing bao hu zong ju
- guo jia zi ran ke xue ji jin wei yuan hui
- Guo li bian yi guan (China) 國立編譯館
- guo li zhong yang yan jiu yuan qi xiang yan jiu suo 国立中央研究院气象研究所主编
- Guo, B.
- Guo, Benzhao (郭本兆)
- Guo, Cheng
- Guo, Chunce
- Guo, Chunpeng
- Guo, Dawei
- Guo, Dizhe
- Guo, Dong Ming
- Guo, Fan
- Guo, Feiyi
- Guo, Ganlin
- Guo, Guang
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- Guo, Hui
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- Guo, Jia-Gang
- Guo, Jia-Ming
- Guo, Jiangying
- Guo, Jian-Jun
- Guo, Jianqiang
- Guo, Jian-Yang
- Guo, Jianying.
- Guo, Jinghui 1916-1985
- Guo, Jishu
- Guo, Juan
- Guo, Kun
- Guo, Lanping
- Guo, Li
- Guo, Liang-Dong
- Guo, Lin
- Guo, Li-Ying
- Guo, Mei-Jun
- Guo, Min
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