- Andrésson, Ólafur
- Andretti, Christian B
- Andreu-Cazenave, Miguel
- Andreucci, Roberto D.
- Andreu-Soler, Asunción
- Andreux, F.
- Andrew
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- Andrew Bridgeman (Firm).
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- Andrew J. Stone Expedition 1902)
- Andrew J. Stone Expedition 1903)
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- Andrew, Charles William.
- Andrew, George L.,
- Andrew, H. M. (Henry Martyn), 1845-1888
- Andrew, James
- Andrew, John A. (John Albion), 1818-1867
- Andrew, Martin H
- Andrew, Michael E.
- Andrew, N L
- Andrew, Nancy V.
- Andrew, Rose L.
- Andrew, W. D.
- Andrew, Warren, 1910-1982
- Andrewartha, H. G. (Herbert George), 1907-1992
- Andrewes, Frederick William, Sir, 1859-1932
- Andrewes, Geoffrey,
- Andrewes, H E
- Andrewes, H. L.
- Andrews (Firms)
- Andrews Alaskan Expedition (1908)
- Andrews Canadian Field Trip
- Andrews Nursery Company.
- Andrews Whaling Expedition to Japan and Korea of the American Museum of Natural History (1911-1912)
- Andrews, A P
- Andrews, A. W.
- Andrews, Abigail Lindley,
- Andrews, Albert LeRoy, 1878-1964
- Andrews, Alfred C
- Andrews, Allen H
- Andrews, B. S.
- Andrews, Brian
- Andrews, Bryan
- Andrews, C. W.
- Andrews, Charles William 1866-1924
- Andrews, Chasw
- Andrews, Christopher Columbus, 1829-
- Andrews, D. M.
- Andrews, D. M. (Firm)
- Andrews, Darwin M.
- Andrews, David
- Andrews, Duane S.
- Andrews, E. A.
- Andrews, E. A. (Ethan Allen), 1859-1956
- Andrews, E. C.
- Andrews, E. F.
- Andrews, E. Wyllys (Edward Wyllys), 1916-1971
- Andrews, Ebenezer B.
- Andrews, Edith
- Andrews, Edmund, 1892-1941
- Andrews, Elisha Benjamin, 1844-1917
- Andrews, Eliza Frances, 1840-
- Andrews, Elizabeth B.
- Andrews, Ernest Clayton
- Andrews, Florence M
- Andrews, Frank, 1870-1940
- Andrews, Fred G. 1933-2019
- Andrews, George, Mrs.
- Andrews, Gregory
- Andrews, H.
- Andrews, H. W.
- Andrews, Harry Lee.
- Andrews, Harry V.
- Andrews, Hazel
- Andrews, Henry Charles, active 1799-1828
- Andrews, Henry N
- Andrews, Hollings T
- Andrews, Horace J. (Horace Justin), 1892-
- Andrews, Irene Greene Owen, 1892-
- Andrews, Israel D. (Israel DeWolf), 1813-1871
- Andrews, J. D.
- Andrews, J. R. H.
- Andrews, James, 1801?-1876
- Andrews, James, 1806-1876
- Andrews, Jane, 1833-1887
- Andrews, Jay D.
- Andrews, Jean
- Andrews, Jenny
- Andrews, John
- Andrews, John, 1746-1813
- Andrews, Justin, 1902-
- Andrews, Kathryn
- Andrews, Kimberly R
- Andrews, Lawrence S
- Andrews, Lindell
- Andrews, Luman, 1839-1921
- Andrews, M. I.
- Andrews, Margaret G
- Andrews, Mark
- Andrews, Matt
- Andrews, Michael, fl 1870-1880
- Andrews, Mildred Norton.
- Andrews, P
- Andrews, P B
- Andrews, Patricia L.
- Andrews, Peter
- Andrews, Peter
- Andrews, Peter John
- Andrews, Philip,
- Andrews, R J
- Andrews, R. L.
- Andrews, Review By: A Leroy
- Andrews, Rich
- Andrews, Robert D.
- Andrews, Robert W
- Andrews, Robin M
- Andrews, Ross H
- Andrews, Roy Chapman, 1884-1960
- Andrews, Ryan
- Andrews, S B
- Andrews, S Mark
- Andrews, Sidney
- Andrews, Stephen Pearl, 1812-1886
- Andrews, Stuart R., 1910-
- Andrews, Susyn
- Andrews, T. H.
- Andrews, Thelma M
- Andrews, Thomas.
- Andrews, Timothy Langdon, 1819-1908
- Andrews, Tom
- Andrews, W
- Andrews, W. A. (Bill), 1930-
- Andrews, W. T.
- Andrews, Walter Edwin, 1866-
- Andrews, William Edward,
- Andrews, William P. (William Page), 1848-1916
- Andrews, Yvette Borup, 1891-1959
- Andrews-Burri Seed Co.
- Andreychev, Alexey
- Andreyko, Helena.
- Andreyushkova, Daria
- Andri, E
- Andri, Eugenio
- Andria, Simone
- Andriamaharavo, N Rabe
- Andriamaharavo, Nirina Rabe.
- Andriamalala, Daniela.
- Andriamampandry, A V
- Andriamasimanana, Rado
- Andriambololonera, Sylvie
- Andriamiharisoa, Minosoa B.
- Andriampenomanana, Zo
- Andrian Padial, André
- Andrian, IF.
- Andrianasolo, Ginah Tsiorisoa
- Andrianasolo, Justin
- Andrianjatovo, Haingotiana Johary
- Andrianov, Vyatcheslav V.
- Andrianova, T V
- Andrianstimanarilafy, Raphali R
- Andriantiana, Jacky
- Andriantompohavana, Rambinintsoa.
- Andriantsiferana, Marta.
- Andriashek, Dennis
- Andrić, Andrijana
- Andrick, Anne O.
- Andrick, Ulf Robert
- Andriessen, Hugo
- Andrietti, Francesco
- Andrieu, Julien
- Andriguetto, J M
- Andrii︠a︡shev, A. P.
- Andrinolo, Darío
- Andrio Enríquez, E
- Andriola, João Vitor Perin
- Andrioli, RJ
- Andriolo, Artur
- Andriolo, Luciana
- Andriopoulos, Pavlos
- Andrishak, Robyn.
- Andriyono, Sapto
- Andrle, Robert F
- Andro-Durand, Véronique
- Andromachus, fl. 54-68
- Andromachus, the Elder.
- Andronescu, Demetrius Ion.
- Andronov, V N
- Andros, F. W.
- Andruchow, L. J.
- Andruchow-Colombo, Ana
- Andrus, C. F.
- Andrus, C. Fred T., 1967-
- Andrus, Richard E. (Richard Edward), 1941-
- Andrusov, N. I., 1861-1924
- Andry de Bois-Regard, Nicolas, 1658-1742
- Anduaga, Sofia
- Andújar, Carmelo
- Andy Hofreiter (Firm)
- Andy's Wild Flower Gardens.
- Aneer, Gunnar.
- Aneesh, Panakkool - Thamban
- Aneiros, Abel
- Aneja, K R
- Anelli, Luiz E
- Anelli, Mattavelli
- Anemaat, Louise
- Anenkhonov, Oleg A.
- Anento, Jorge L
- Aneshansley, D. J. (Daniel J.)
- Anetai, Yuki
- ANeT-India.
- Aneva, Ina
- Añez Campos, Mary Jesús.
- Añez, Luciana M.M.
- Añez, RBS
- Anfossi, Giacomo
- Anfrén, C
- Ang, Deh-Beng.
- Ang, Hui Ping
- Ang, Pei Soo
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- Ang, Wee Foong
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- Anga, Jean-Marc
- Angal, Laurie Price
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- Anganoy-Criollo, Marvin Alfredo
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- Angarita-M., Oscar
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- Angas, George French
- Angas, George French
- Angas, George French, 1822-1886
- Angehr, G R
- Angehr, George R.
- Angel, F M