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- Felder, Cajetan1816-1883
- F. A. S.
- F. C. M.,1719-
- F. Debons.
- Faber, Frederik,1795-1828
- Faber, George Louis.
- Fabre, Jean-Henri,1823-1915
- Fabre-Domergue, Paul Louis Marie,1861-
- Fabricius, Johann Christian,1745-1808
- Fabricius, Otto,1744-1822
- Facchini, Francesco,1788-1852
- Faculté des sciences de Paris.Association amicale des élèves et anciens élèves.
- Faculté des sciences de Rennes.Station entomologique
- Fåhraeus, Olof Immanuel.
- Fain, A.
- Fairchild, David,1869-1954
- Fairchild, Marian Hubbard (Bell)
- Fairmaire, Léon,1820-1906
- Falck, Alfred,1844-1871
- Falconer, Hugh,1808-1865
- Falcoz, Louis.
- Falk, Dean.
- Falk, I. S.1899-1984
- Falk, J. E.
- Fall, Henry Clinton,1863-
- Fallén, Carolo Fr.1764-1830
- Fallén, Carolo Fr.1764-1830
- Fambrini, Ferdinando,
- Farey, John,1766-1826
- Faria, João Florentino Meira de.
- Farina, Vincenzo.
- Farkas-Vukotinovic, Ljudevit,1813-1893
- Farlow Reference Library and Herbarium.
- Farlow, W. G.1844-1919
- Farmer, J. B.1865-1944
- Farmer, John Bretland,1865-1944
- Farmers' College (College Hill, Ohio)
- Farrer, Reginald John,1880-1920
- Farrington, John W.
- Farrington, Oliver C.1864-1933
- Farrington, Oliver C.1864-1933
- Farrington, S. Kip1904-
- Farwell, Oliver Atkins,1867-1944
- Fatio, V.1838-1906
- Fatio, Victor,1838-1906
- Fauconnet, Charles,1811-1876
- Faujas-de-St.-Fond,1741-1819
- Faune helvétique.2me. partie.
- Faust, George Patterson,1905-
- Favart d'Herbigny,
- Favrat, Louis,1827-1893
- Favre, Émile,1843-
- Favre, Émile,1843-
- Favre, Louis,1822-1904
- Fawcett, William,1851-
- Faxon, Charles Edward,1846-1918
- Faxon, Walter,1848-1920
- Faxon, Walter.
- Fayrer, Frederick Durand Stirling,1869-
- Fayrer, Joseph,1824-1907
- Fea, Leonardo,1852-1903
- Fechner, Gustav Theodor,1801-1887
- Fedchenko, Boris Alekseevich,1872-1947
- Fedchenko, O. A.1845-1921
- Fedde, Friedrich,1873-1942
- Federal Coordinating Council for Science, Engineering, and Technology.Ad Hoc Working Group on Research-Intensive Universities and the Federal Government.
- Federal Coordinating Council for Science, Engineering, and Technology.Joint Subcommittee on Aquaculture.
- Federal Council for Science and Technology (U.S.)
- Fédération des sociétés d'horticulture de Belgique.
- Fédération des sociétés françaises de sciences naturelles.
- Fédération des sociétés françaises de sciences naturelles.Office central de faunistique.
- Fee, Antoine Laurent Apollinaire,1789-1874
- Fefer, Stewart I.
- Feilden, H. W.1838-1921
- Feinman, Gary M.
- Feistmantel, Ottokar,1848-1891
- Fejérváry, G. Jr.
- Felder, Cajetan,1814-1894
- Felder, Rudolf,1842-1871
- Felgenhauer, Bruce E.
- Feliciano, Pablo,
- Félix Malteste et Cie,
- Felix, Johannes Paul,1859-
- Felsekeri, Pauli Jonathae.
- Felt, Ephraim Porter,1868-1943
- Felt, Ephriam Porter,1868-1943
- Feltes, Ross M.
- Feltgen, Johann,1833-1904
- Fenn, Wallace O.
- Fennema, Rinder,1849-1926
- Fenzl, Eduard,1808-1879
- Ferdinandeum für Tirol und Vorarlberg.
- Ferguson, Jeremiah Sweetses,1871-
- Ferguson, John,1842-1913
- Fermin, Philippe,1720-1790
- Fernald, C. H.1838-1921
- Fernald, Charles Henry,1838-1921
- Fernald, Henry Torsey,1866-
- Fernald, Henry Torsey,1866-
- Fernald, Maria Elizabeth (Smith),1839-1919
- Fernald, Merritt Lyndon,1873-
- Fernández de Oviedo y Valdés, Gonzalo,1478-1557
- Fernández y Jiménez, José María.
- Fernie, William Thomas,1830-
- Fernow, B. E.1851-1923
- Ferrari, Giovanni Battista,1584-1655
- Ferraris, Teodoro.
- Ferret, Pierre Victor Ad.
- Ferreyra, Ramón.
- Ferris, Harry Burr,1865-
- Ferris, Roxana S.1895-
- Ferry,
- Ferry, John Farwell,1910-
- Férussac, André-Etienne-Just-Pascal-Joseph-François d'Audebard,1786-1836
- Fessard, A.
- Fewkes, Jesse Walter,1850-1930
- Fichtel, Leopold von,1770-1810
- Fickeisen, Duane H.
- Fickert, C.1849-
- Fickert, K.
- Fieber, Francisco Xaverio.
- Fieber, Franz Xaver,1807-1872
- Fieber, Franz Xavier,1807-1872
- Field Columbian Museum.
- Field Museum of Natural History
- Field Museum of Natural History.
- Field Museum of Natural History.Chauncey Keep Memorial Hall.
- Field Museum of Natural History.Dept. of Anthropology.
- Field Museum of Natural History.Dept. of Geology
- Field Museum of Natural History.Dept. of Geology.
- Field Museum of Natural History.Dept. of Zoology.
- Field Museum-Oxford University Joint Expedition to Mesopotamia.
- Field Museum-Oxford University Joint Expedition.
- Field Naturalists' Club of Victoria.
- Field, George Wilton,1863-
- Field, George Wilton.
- Field, Henry,1902-
- Field, Irving Angell,1879-1921
- Field, Thomas W.1820-1881
- Fields, William S.1913-
- Fierens, Jaques,fl 1-42-1
- Figueiredo, Jeronymo Joaquim de.
- Figuier, Louis,1819-1894
- Filet, G. J.,1825-1891
- Fingerhuth, Carl Anton,1798-1876
- Fink, Bruce,1861-1927
- Finlay, Carlos Juan,1833-1915
- Finley, William L.1876-1953
- Finn, Frank,1868-1932
- Finn, Frank.
- Finot, A.
- Finsch, O,1839-1917
- Finsch, O.1839-1917
- Fiori, Adriano,1865-1950
- Fisch, Max Harold,1900-
- Fischbach, Gustave,
- Fischel, Alfred,1868-
- Fischer de Waldhiem, G.
- Fischer von Waldheim, Gotthelf,1771-1853
- Fischer von Waldheim, Gotthelf,1771-1853
- Fischer, Albert,1891-
- Fischer, Alfred,1858-1913
- Fischer, Eduard,1861-1939
- Fischer, Guido.
- Fischer, Henri,1865-1916
- Fischer, J. G.1819-1889
- Fischer, Johann Karl.
- Fischer, K.
- Fischer, Ludwig,1828-1907
- Fischer, Martin,1879-
- Fischer, Max.
- Fischer, P.
- Fischer, P.-H.
- Fischer, Paul Henri,1835-1893
- Fischer, Paul,1835-1893
- Fischer, Paul,1835-1893
- Fischer-Benzon, R. von1839-1911
- Fish, Eldridge Eugene.
- Fisher fon Valdgeim, A. A.1839-1920
- Fisher, A. K.1856-1948
- Fisher, Alexander A.,1905-
- Fisher, Daniel C.
- Fisher, James,1912-
- Fisher, William Rogers.
- Fisher, William S.
- Fisheries Council of Canada.
- Fison, Cecil S.
- Fitch, Asa,1809-1879
- Fitch, Henry Sheldon,1909-
- Fitch, John Nugent.
- Fitch, W. H.1817-1892
- Fitschen, Jost,1869-1947
- Fitting, Hans,1877-
- Fitz, James.
- Fitzgibbon, Edward,1803-1857
- Fitzinger, L. T.
- Fitzinger, Leopold Joseph Franz Johann,1802-1884
- Fitzinger, Leopold Joseph,1802-1884
- Fitzpatrick, Elizabeth T.
- Fitzpatrick, Harry Morton,1886-1949
- Fitzpatrick, John W.
- Fitzsimons, Frederick William,1875-
- Fixsen, Carl.
- Flagey, Camille,1834-1898
- Flagg, Wilson,1805-1884
- Flahault, Charles,1852-1935
- Flanagan, Catherine.
- Flannery, Tim F.1956-
- Fleischer, H.
- Fleischer, Johann Gottlieb,1797-1838
- Fleischer, Max,1861-1930
- Fleischman, Julian
- Fleischmann, Albert.
- Fleming, John,1785-1857
- Fleming, Robert L.
- Fleming, Robert L.1905-
- Flemming, Walther,1843-
- Flemwell, George.
- Fletcher, Joseph James.
- Fletcher, L.1854-1921
- Fletcher, Stevenson Whitcomb,1875-
- Fletcher, T. B.
- Fletcher, T. Bainbrigge
- Fletcher, T. Bainbrigge.
- Fletcher, Thomas Bainbrigge.
- Fleure, H. J.1877-1969
- Flint, Charles Louis,1824-1889
- Flint, James M.1838-1919
- Flipse, H. J.
- Floericke, Kurt Ehrenreich,1869-
- Floericke, Kurt Ehrenreich,1869-1934
- Flor, Gustav.
- Flora, Gesellschaft für Botanik und Gartenbau, in Dresden.
- Florence.Stazione di Entomologia Agraria.
- Florey, Ernst.
- Flori, Ant.
- Florida Entomological Society
- Florida Geological Survey.
- Florida Sea Grant College.
- Florida State University.Dept. of Biological Science.
- Florin, Rudolf,1894-1965
- Florkin, Marcel.
- Flower, William Henry,1831-1899
- Flückiger, Friedrich A.1828-1894
- Flügge, Johann,1775-1816
- Flynn, John J.
- Flynn, John J.1955-
- Flynn, Nellie F.
- Focillon, A.
- Focke, Gustav Woldemar,
- Focke, Wilhelm Olbers,1834-1922
- Foerster, Arnold,1810-1884
- Fogg, G. E.1919-
- Fol, Hermann,1845-1892
- Fol, Hermann.
- Folin, L. de.
- Folin, Léopold Alexandre Guillaume.
- Folin, Leopold de.
- Folkard, Henry Coleman.
- Folkard, Richard.
- Folkens, Pieter A.
- Folkestone Natural History Society.
- Folsom, Justus Watson,1871-1936
- Folsom, William B.
- Fomin, A. V.1869-1935
- Fonseca, Mark S.
- Fonsny, Henri.
- Font Quer, P.1888-1964
- Fontaine, William Morris,1835-1913
- Fontannes, Francisque,1839-1886
- Food and Agriculture Organization of the United Nations.Regional Office for Africa.
- Fooden, Jack,1927-
- Foord, Arthur Humphrys,1844-
- Foote, Albert E.,1846-1895
- Forbes, E.
- Forbes, Edward,1815-1854
- Forbes, H
- Forbes, Henry O.1851-1932
- Forbes, Henry Ogg,1851-1932
- Forbes, Stephen A.
- Forbes, Stephen Alfred,1844-1930
- Forbes, W. A.
- Forbush, Edward Howe,1858-1929
- Forcart, Lothar,1902-
- Force, Roland W.
- Ford, Barbara Jean.
- Foreign Bird Club.
- Forel, A.
- Forel, Auguste,1848-1931
- Forel, F. A.1841-1912
- Forenbacher, Aurel.
- Föreningen för skogsvård (Sweden)
- Föreningen för skogsvård (Sweden).
- Forester, R. F.,
- Forget,fl 1-57-1
- Forgey, Kathleen.
- Formánek, Eduard,1845-1900
- Forney, Gerald Glenn.
- Forrest, Herbert Edward,1858-
- Forrester, Alexander,d 17-7
- Forsberg, Junius Leonard,1907-
- Forsskål, Peter,1732-1763
- Forssman, Wilhelm,1801-1859
- Forstbotanisches Institut zu München.
- Förster, Carl Friedrich.
- Forster, Georg,1754-1794
- Forster, Johann Reinhold,1729-1798
- Forster, Linda.
- Forster, T.1789-1860
- Forstliche Bundes-Versuchsanstalt Wien
- Forsyth, J.1881-
- Forti, Achille,1878-1937
- Fortuyn, AE. B. Droogleever.
- Foshag, William F.1894-1956
- Foster, Adriance S.1901-1973
- Foster, Lyman Spalding.
- Foster, M.1836-1907
- Foster, Nancy1941-
- Foster, William.
- Foster-Melliar, Andrew,1841-1904
- Foucaud, Julien,1847-1904
- Fouquet.
- Fouquette, M. J.
- Fournier, Eugène,1834-1884
- Fourreau, Pierre Jules,1844-1871
- Fowler, Frank
- Fowler, G. Herbert1861-1940
- Fowler, Henry W.
- Fowler, Henry Weed,1878-1965
- Fowler, James,1829-1923
- Fowler, W. W.1849-1923
- Fowler, William Weekes,1849-
- Fox, Irving,1912-
- Fraas, C.,1810-1875
- Fraas, E.1862-1915
- Fracker, Stanley Black,1889-
- Fraisse, Paul.
- Frampton, John,fl. 1577-1596
- Français (Ship)
- Francé, R. H.1874-1943
- France.
- France.Ministère de la marine
- France.Ministère de la marine et des colonies.
- France.Ministère de l'agriculture.
- France.Ministère de l'éducation nationale
- France.Ministère de l'éducation nationale.
- France.Ministère de l'Instruction Publique.
- France.Ministère des colonies.
- France.Service Géographique de l'Armée.
- Franchet, A.1834-1900
- Franchet, Adrien,1834-1900
- Francis, Eric Thomas Brazil.
- Francis, Francis.
- Franciscum Clousier.
- Franck, J. F.,
- Franck, J. R.
- Françon, M.1913-
- Franke von Franckenau, Georg,1644-1704
- Franklin Institute (Philadelphia, Pa.).Biochemical Research Foundation.
- Franklin, John,1786-1847
- Franklin, Jonathan.
- Franquemont, Christine.
- Fransicum Changuion.
- Franz, Victor,1883-
- Franzoni, Alberto,1816-1886
- Fraser, F. C.
- Fraser, James Henry,1909-
- Fraser, John.
- Frauenfeld, Georg,1807-1873
- Freas, Kathy E.
- Fred, Edwin Broun,1887-
- Frédol, Alfred.
- Free Public Library Museum(Liverpool)
- Freeman,
- Freeman, Leslie G.
- Freeman, Patricia Waring,1947-
- Fréese, N. F.
- Frémont, John Charles,1813-1890
- French Indochina.Service des mines.
- French, Charles, 1843-
- French, G. H.1841-1935
- French, John C.,1858-
- Frenzel, Johannes,1858--189
- Frere, M. H.
- Fréret, Louis
- Fresenius, Georg,1808-1866
- Frest, Terrence J.
- Freunde der Naturwissenschaften in Wien.
- Frey, Albert
- Frey, Heinrich
- Frey, Heinrich,1822-1890
- Freycinet, Louis Claude Desaulses de,1779-1842
- Frey-Gessner, E.1826-1917
- Frey-Wyssling, Albert.
- Fri, Antonín,1832-1913
- Frič, Antonín,1832-1913
- Fridrich, J. G.,
- Fridrich, J. M.,
- Fridrich, Jacob Andreas,1684-1751
- Friedenthal, Hans,1870-
- Friele, Herman,1838-
- Friele, Joachim.
- Fries, Bengt Fredrik,1799-1839
- Fries, Elias Magnus,1794-1878
- Fries, Martin.
- Fries, Theodor Magnus,1832-1913
- Friese, Heinrich,1860-1948
- Friese, Hermann.
- Frisch, Johann Leonard,1666-1743
- Frisch, Karl von,1886-
- Frisch, Philipp Jacob.
- Fristedt, Robert Fredrik,1832-1893
- Fritel, P[aul] Honoré,1867-
- Fritsch, A.
- Fritsch, Gustav,1838-
- Fritsch, Karl,1864-1934
- Frivaldszky, Imre,1799-1870
- Frivaldszky, János,1822-1895
- Frizzi, Ernst.
- Froggatt, Walter W.1858-1937
- Froggatt, Walter Wilson,1858-
- Frohawk, Frederick William,1861-1946
- Fromentel, Edouard de,1824-
- Froriep, Ludwig Friedrich von,1779-1847
- Froriep, Robert,1804-1861
- Frost, Charles
- Frost, Darrel R.
- Frost, S. W.1891-
- Fruhstorfer Collection of Butterflies.
- Fruhstorfer, Hans.
- Fruit Growers' Association of Ontario.
- Fry, Bernard Alfred.
- Fryd, Carlos.
- Fryer, Charles Edward.
- Fryer, Holly Claire.
- Fryer, Joseph Harrison.
- Fuchs, Chr. Jos.1801-1871
- Fuchs, Leonhart,1501-1566
- Fuckel, Leopold.
- Fuertes, Louis Agassiz,1874-1927
- Fuessli, Johann Caspar,1743-1786
- Fuhrmann, Franz,1877-
- Fuhrmann, Otto,1871-
- Fuller, George D.1869-
- Fulmer, Ellis Ingham,1891-
- Funck, N.1816-1896
- Funk, Adolph Friedrich,1802-1830
- Funk, Casimir,1884-1967
- Funkhouser, William Delbert,1881-
- Funston, Frederick,1865-1917
- Fünstück, Moritz,1856-1925
- Fürbringer, Karl,1882-
- Fürbringer, Maximilian,1846-1920
- Furneaux, William S.
- Furreg, E.
- Fusch, Remaclus.
- Fyson, P. F.1877-
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