- Andrejko, Mariola
- Andrekson, Alexander.
- Andrello, Avacir Casanova
- Andrén, Claes
- Andreo, JC
- Andréo, Yara
- Andreoli, Andrea
- Andreoli, Rita Valéria
- Andreone, Franco
- Andreozzi, Phil
- Andres Gonzalez, H
- Andrés Rojas-Morales, Julian
- Andres, Adolf
- Andres, Angelo, 1851-1934
- Andres, Brad A
- Andres, Brian
- Andres, Gert
- Andres, H.
- Andres, Javier De
- Andres, L A
- Andres, M C
- Andres, Samantha E
- Andresen, John W., 1925-
- Andresen, Lee
- Andrés-Hernández, Agustina Rosa
- Andress, R. A. (Bud)
- Andrésson, Ólafur
- Andretti, Christian B
- Andreu-Cazenave, Miguel
- Andreucci, Roberto D.
- Andreu-Soler, Asunción
- Andreux, F.
- Andrew
- Andrew Auten (Firm)
- Andrew B. Vanderbeek (Firm)
- Andrew Bather (Firm)
- Andrew Bridgeman (Firm).
- Andrew C. Maier (Firm),
- Andrew F. Doermann (Firm)
- Andrew J. Stone Expedition 1901)
- Andrew J. Stone Expedition 1902)
- Andrew J. Stone Expedition 1903)
- Andrew Lufkin (Firm)
- Andrew Parmentier (Firm)
- Andrew R. Kennedy, Inc.
- Andrew Simon (Firm)
- Andrew W. Maier (Firm),
- Andrew Wilson, Inc.,
- 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
- 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. 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, 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, Michael, fl 1870-1880
- Andrews, Mildred Norton.
- Andrews, P
- Andrews, P B
- Andrews, Patricia L.
- Andrews, Peter
- Andrews, Peter John
- Andrews, Philip,
- 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, 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, Yvette Borup, 1891-1959
- Andrews-Burri Seed Co.
- Andreychev, Alexey
- Andreyko, Helena.
- Andreyushkova, Daria
- Andri, E
- Andri, Eugenio
- Andriamaharavo, N Rabe
- Andriamaharavo, Nirina Rabe.
- Andriamalala, Daniela.
- Andriamampandry, A V
- Andriamasimanana, Rado
- Andriampenomanana, Zo
- Andrian, IF.
- Andrianasolo, Ginah Tsiorisoa
- Andrianasolo, Justin
- Andriantiana, Jacky
- Andriantompohavana, Rambinintsoa.
- Andriantsiferana, Marta.
- Andriashek, Dennis
- Andrić, Andrijana
- Andrick, Anne O.
- Andrick, Ulf Robert
- Andriessen, Hugo
- Andrietti, Francesco
- Andriguetto, J M
- Andrii︠a︡shev, A. P.
- Andrinolo, Darío
- Andrio Enríquez, E
- Andrioli, RJ
- Andriolo, Artur
- Andrishak, Robyn.
- 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.
- 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
- Anelli, Luiz E
- Anelli, Mattavelli
- Anemaat, Louise
- Anento, Jorge L
- Aneshansley, D. J. (Daniel J.)
- ANeT-India.
- Aneva, Ina
- Añez Campos, Mary Jesús.
- Añez, Luciana M.M.
- Añez, RBS
- Anfossi, Giacomo
- Anfrén, C
- Ang, Deh-Beng.
- Ang, Pei Soo
- Ang, W. F.
- Ang, Wee Foong
- Ang, Yuchen
- Anga, Jean-Marc
- Angal, Laurie Price
- Angalet, Stevan Alex, 1947-
- Anganoy-Criollo, Marvin Alfredo
- Angarita Jiménez, Luz Elvira
- Angarita-M., Oscar
- Angarita-Sierra, Teddy G.
- Angas, George French
- Angas, George French, 1822-1886
- Angehr, G R
- Angel, F M
- Angel, F. (Fernand), 1881-1950
- Angel, L Madeline
- Angel, M. F.,
- Angel, Martin Vivian.
- Angel, Noa
- Angel, Rosemary Constance Reeve 1925-2012