- Freytag, Csongor
- Freytag, George F.
- Freytag, Günther E
- Freytag, Paul H
- Freyvogel, Thierry A., 1929-2019
- Frey-Wyssling, Albert.
- Frézier, Amédée François, 1682-1773
- Frezier, Amédée-François
- Frezza, Tarsila Ferraz
- Friant
- Friant, M
- Friar, Elizabeth A
- Frías L, Daniel
- Frías Lasserre, Daniel
- Frias, Antonio M
- Frías, Daniel A
- Frias, Gustavo Alberto, 1956-
- Frias, J
- Frías, L.D
- Frías-Álvarez, Patricia
- Frías-Espericueta, Martín G
- Frías-Espericueta, Martín G.
- Frías-Ramírez, J
- Frias-Torres, Sarah
- Frías-Victoriano, Enrique De Jesús
- Friberg, Ida M.
- Friberg, Magne
- Friberg, Ulf A
- Frič, Antonín, 1832-1913
- Fric, Zdenek
- Fric, Zdenek F.
- Fric, Zdenek Faltýnek
- Frick Vertebrate Paleontology Expedition 1929-1931
- Frick Vertebrate Paleontology Expedition (1929-1931)
- Frick, Childs, 1883-1965
- Frick, Hans
- Frick, Hermann.
- Frick, Holger
- Frick, J E
- Frick, K E
- Frick, Kenneth E
- Frick, Kenneth E.
- Frick, Kinsey
- Frick, T B
- Frick, Winifred F.,
- Fricke, Friedrich.
- Fricke, George
- Fricke, Hugo
- Fricke, R
- Fricke, Rachel
- Fricke, Ronald
- Fricke, Ronald A
- Fricke, Ronald M
- Fricken, Wilhelm von
- Frickenhaus, Stephan
- Fricker, Karl, 1865-
- Frickhinger, Albert, 1818-1907
- Frid, Alejandro
- Friderich, C. G.
- Friderich, Samuel.
- Friderici, Johann Arnold, 1637-1672
- Fridlender, Alain
- Fridley, Robert B.
- Fridman, David
- Fridrich, J H
- Fridrich, J. G.,
- Fridrich, J. M.,
- Fridrich, Jacob Andreas, 1684-1751
- Fridrich, Johann Gottlieb, 1742-1809
- Fridrich, Kathy
- Friebes, Gernot
- Fried, B
- Fried, Bernard
- Fried, Guillaume
- Fried, Stephen M.
- Friedberg, Wilhelm, 1873-1941
- Friedberger, Ernst, 1875-1932
- Friedberger, Franz, 1839-1902
- Friede, Judy L.
- Friedeberg, Diana
- Friedel, Ernst
- Friedel, Ernst
- Friedel, Jean
- Friedel, M Jean
- Friedenberg, Jacob.
- Friedenreich, C W
- Friedenthal, Hans, 1870-
- Friederichs, Anja
- Friederichs, K
- Friedhof, George
- Friedl, F
- Friedland, Beatrice Lashin
- Friedland, Lee Ellen
- Friedlander, Alan M
- Friedlander, Herbert
- Friedländer, Julius
- Friedländer, R
- Friedlander, T P
- Friedlander, Timothy P
- Friedlowsky, A
- Friedman, Ariel-Leib-Leonid
- Friedman, B. A. (Bernard A.), 1909-
- Friedman, Carolyn S
- Friedman, F
- Friedman, Jonathan M
- Friedman, Libby Rosenbloom
- Friedman, S
- Friedman, Samuel L
- Friedman, Saul,
- Friedman, William E.
- Friedmann, F
- Friedmann, Herbert
- Friedmann, Herbert 1900-1987
- Friedmann, Hermann, 1873-1957
- Friedr, J P E
- Friedrich Kohlrausch
- Friedrich, Adolf Duke of Mecklenburg-Schwerin, 1873-1969
- Friedrich, Alfred
- Friedrich, C. Allan.
- Friedrich, Chr
- Friedrich, Ekkehard
- Friedrich, Francieli
- Friedrich, Frank
- Friedrich, Hans Christian
- Friedrich, Markus
- Friedrich, Martha
- Friedrich, Stefan
- Friedrichs, José
- Friedrichs, Juan
- Friedrichs, K
- Friedrichs-Manthey, Martin
- Friedrich-Wilhelms-Universität Berlin.
- Friedrich-Wilhelms-Universität Berlin. Institut für Meereskunde.
- Frieiro Costa, Fernando Antonio
- Frieiro-Costa, F.
- Frieiro-Costa, Fernando
- Frieiro-Costa, Fernando A.
- Frieiro-Costa, Fernando Antônio
- Friel, John P.
- Friele, Herman, 1838-1921
- Friele, Hermann
- Friele, Joachim.
- Friend, Alfred
- Friend, Eleanor
- Friend, G
- Friend, G R
- Friend, Gordon R
- Friend, Hilderic, 1852-
- Friend, J A
- Friend, J Anthony
- Friend, J K
- Friend, Rev Hilderic
- Friend, Roger B. (Roger Boynton), 1896-1962
- Friend, Tony
- Friend, W G
- Friendly Glad Gardens.
- Friends Of Agricultural Research Beltsville, Inc.
- Friends of the Arboretum (Cary Arboretum)
- Friends of The Innamincka Reserves
- Friends of the National Zoo (U.S.)
- Friends of the National Zoo.
- Friends of the Public Garden.
- Friends of the U.S. National Arboretum
- Friendship, M.
- Frierson, L S
- Frierson, Wm. C.,
- Frierson'S Flowers,
- Fries, B Fr
- Fries, Bengt Fredrik, 1799-1839
- Fries, Carl
- Fries, E
- Fries, E F B
- Fries, Elias, 1794-1878
- Fries, J N
- Fries, J. August, (Jons August), 1863-1921
- Fries, Jöns August, 1863-
- Fries, Jöns Elias, 1876-
- Fries, LCC.
- Fries, Lucas de
- Fries, M E P
- Fries, Martin.
- Fries, N
- Fries, R E
- Fries, Robert E
- Fries, Robert Elias 1876-1966
- Fries, Theodor Magnus, 1832-1913
- Friesach, Carl
- Friese, C
- Friese, Heinrich, 1860-1948
- Friese, Hermann.
- Friese, Laurence Victor.
- Friese, Michael
- Friesen, Chris
- Friesen, Larry Jon
- Friesen, Lyle E
- Friesen, O. H.
- Friesen, W Otto
- Friesenhan, Evan.
- Frieser, R
- Frieser, Robert
- Friesner, Ray C
- Friess, Nicolas
- Friesser, Julius
- Frieswyk, Thomas S.
- Frigelius, Pehr Magnus,
- Frigerio, Jean-Marc
- Frigerio, Jessica
- Frigge, William Joseph.
- Frignani, Flavio
- Frigotto, SF
- Frihi, Hocine
- Friis, E M
- Friis, Else Marie
- Friley, Charles E
- Friley, Karen L.
- Frilli, Franco
- Friman, Lars
- Frimodt-Møller, Christian
- Frimpong, Emmanuel A.
- Frimpong-Anin, Kofi
- Frimpter, Michael H., 1934-
- Frings, C F
- Frings, Carl
- Frings, H
- Frings, Hubert
- Frings, M
- Frings, Mable
- Frink, Aubrey.
- Frink, C. R.
- Friol, Natália Rizzo
- Friou Floral & Nursery.
- Fripp, Y J
- Friquet, Madelon.
- Frisbie, Leonard F
- Frisbie, Theodore R
- Frisby, Arnold
- Frisby, Sue
- Frisby, Tony
- Frisch, A J
- Frisch, Albert,
- Frisch, Andreas
- Frisch, F.
- Frisch, Harry L
- Frisch, J
- Frisch, Jennifer D.,
- Frisch, Johann Leonard, 1666-1743
- Frisch, Johannes
- Frisch, Karl von, 1886-
- Frisch, Otto von
- Frisch, Philipp Jacob.