Flora, or, Vegetable life of the mountain - Jackson, Robert Montgomery Smith, 1815 -1865 (Lippincott, 1860)

Flora Orientalis : sive, Enumeratio plantarum in Oriente a Graecia et Aegypto ad Indiae fines hucusque observatarum - Boissier, Edmond, 1810 -1885 (H. Georg, 1867)

Flora Rossica; sive, Enumeratio plantarum in totius Imperii Rossici provinciis Europaeis, Asiaticis et Americanis hucusque observatarum - Ledebour, Carl Friedrich von, 1785 -1851 (Sumptibus Librariae E. Schweizerbart, 1847)

Flora Rossica; sive, Enumeratio plantarum in totius Imperii Rossici provinciis Europaeis, Asiaticis et Americanis hucusque observatarum - Ledebour, Carl Friedrich von, 1785 -1851 (Sumptibus Librariae E. Schweizerbart, 1853)

Flora von Bremen und Oldenburg : zum Gebrauch in Schulen und auf Exkursionen - Buchenau, Franz, 1831 -1906 (M. Heinsius Nachfolger, 1906)

Flora von Wien; eine Aufzählung der in den Umgebungen Wiens wild wachsenden oder im grossen gebauten Gefässpflanzen, nebst einer pflanzen-geografischen Uebersicht - Neilreich, August, 1803 -1871 (F. Beck, 1868)

Flora y fauna del estado libre y soberano de Oaxaca - Martínez Gracida, Manuel 1847 -1924 (Imprenta del Estado, 1891)

Floras (1865)

Florida scientist - Florida Academy of Sciences. (Florida Academy of Sciences, 1988)

Flowerless plants: how and where they grow - Bastin, S. Leonard. (Cassell and Co., Ltd, 1913)

The food of the fishes of Winona Lake - DeRyke, Willis. (Division of Fish and Game, 1922)

The food of the shore fishes of Certain Wisconsin lakes - Pearse, A. S. (Arthur Sperry), 1877 -1956 (Govt. print. off, 1918)

Foot-notes to evolution : a series of popular addresses on the evolution of life - Jordan, David Starr, 1851 -1931 (D. Appleton, 1907)

Footnotes to evolution : a series of popular addresses on the evolution of life - Jordan, David Starr, 1851 -1931 (D. Appleton, 1898)

The foraminifera : an introduction to the study of the protozoa - Chapman, Frederick, 1864 -1943 (Longmans, Green and Co, 1902)

Forced movements, tropisms, and animal conduct - Loeb, Jacques, 1859 -1924 (Lippincott Co, 1918)

Forced movements, tropisms, and animal conduct - Loeb, Jacques, 1859 -1924 (J.B. Lippincott company, 1918)

Forced movements, tropisms, and animal conduct. by Jacques Loeb - Loeb, Jacques, 1859 -1924 (J.B. Lippincott Company, 1918)

Forhandlinger i Videnskabs-selskabet i Christiania - Norske videnskaps-akademi i Oslo. ([Trykt hos Brøgger & Christie, 1880)

Forhandlinger i Videnskabs-selskabet i Christiania - Norske videnskaps-akademi i Oslo. ([Trykt hos Brøgger & Christie, 1922)

Forms of animal life : a manual of comparative anatomy : with descriptions of selected types - Rolleston, George, 1829 -1881 (Clarendon Press, 1888)

Forms of animal life; a manual of comparative anatomy, with descriptions of selected types - Rolleston, George, 1829 -1881 (Clarendon Press, 1888)

Forschungsberichte aus der Biologischen Station zu Plön - Plön (Germany). Biologische Station. (Nägele, 1894)

Forschungsberichte aus der Biologischen Station zu Plön - Plön (Germany). Biologische Station. (Nägele, 1895)

Forschungsberichte aus der Biologischen Station zu Plön - Plön (Germany). Biologische Station. (Nägele, 1896)

Forschungsberichte aus der Biologischen Station zu Plön - Plön (Germany). Biologische Station. (Nägele, 1897)

Forschungsberichte aus der Biologischen Station zu Plön - Plön (Germany). Biologische Station. (Nägele, 1898)

Forschungsberichte aus der Biologischen Station zu Plön - Plön (Germany). Biologische Station. (Nägele, 1899)

Forschungsberichte aus der Biologischen Station zu Plön - Plön (Germany). Biologische Station. (Nägele, 1901)

Forschungsberichte aus der Biologischen Station zu Plön - Plön (Germany). Biologische Station. (Nägele, 1903)

Forschungsberichte aus der Biologischen Station zu Plön - Plön (Germany). Biologische Station. (Nägele, 1905)

Forstliche Botanik - Schwarz, Frank, 1857 -1928 (P. Parey, 1892)

Foundations of biology - Woodruff, Lorande Loss, 1879 -1947 (MacMillan, 1922)

Foundations of biology - Woodruff, Lorande Loss, 1879 -1947 (Macmillan, 1931)

Foundations of biology - Woodruff, Lorande Loss, 1879 -1947 (The Macmillan company, 1922)

Fresh-water Algae of the United States; (exclusive of the Diatomaceae) complemental to Desmids of the United States ... One hundred and fifty-one plates ... including nine additional plates of desmids - Wolle, Francis, 1817 -1893 (The Comenius Press, 1887)

The fresh-water aquarium - Step, Edward, 1855 -1931 (Orange Judd Company, 1883)

Fresh-water biology - Ward, Henry Baldwin, 1865 -1945 (John Wiley & sons, inc.; [etc.,etc.], 1918)

Fresh-water biology - Ward, Henry Baldwin, 1865 -1945 (John Wiley & sons, inc.; [etc., etc.], 1918)

Fresh water flora and fauna of Central Park. Preliminary paper with bibliography - Gratacap, L. P. (Louis Pope), 1851 -1917 (Macgowan & Slipper, Printers, 1884)

Fresh-water rhizopods of North America - Leidy, Joseph, 1823 -1891 (Government Printing Office, 1879)

Fresh-water rhizopods of North America - Leidy, Joseph, 1823 -1891 (G.P.O, 1879)

Fritz Schaudinns arbeiten - Prowazek, S. von Stanislaus, 1875 -1915 (L. Voss, 1911)

Froriep's Notizen aus dem Gebiete der Natur- und Heilkunde - Froriep, Robert, 1804 -1861 (F. Mauke, 1857)

Führer zu den wissenschaftlichen Exkursionen des II. Internationalen Botanischen Kongresses, Wien, 1905 (Selbstverlage des Organisationskomitees, 1905)