The fertilisation of flowers - Darwin, Charles, 1809 -1882 (Macmillan, 1883)

The fertilisation of flowers. Translated and edited by D'Arcy W. Thompson, with a preface by Charles Darwin - Thompson, D'Arcy Wentworth, 1860 -1948 (Macmillan, 1883)

Festschrift zur Feier des siebzigsten Geburtstages des Herrn Professor Dr. Paul Ascherson (4. Juni 1904) - Graebner, Paul, 1871 -1933 (Verlag von Gebrüder Borntraeger, 1904)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1876)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1883)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1884)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1887)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1888)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1892)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1895)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1897)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1900)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1903)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1905)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1906)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1907)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1908)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1910)

Field book of American wild flowers : being a short description of their character and habits, a concise definition of their colors and incidental references to the insects which assist in their fertilization - Mathews, F. Schuyler (Ferdinand Schuyler), 1854 -1938 (G.P. Putnam's Sons)

Field book of american wild flowers; being a short description of their character and habits, a concise definition of their colors, and incidental references to the insects which assist in their fertilization, by F. Schuyler Mathews... - Mathews, F. Schuyler (Ferdinand Schuyler), 1854 -1938 (G.P. Putnam, 1902)

Field book of American wild flowers; being a short description of their character and habits, a concise definition of their colors, and incidental references to the insects which assist in their fertilization - Mathews, F. Schuyler (Ferdinand Schuyler), 1854 -1938 (Putnam, 1912)

Field book of insects - Lutz, Frank Eugene, 1879 -1943 (G. P. Putnam's sons, 1921)

Field book of insects : with special reference to those of north-eastern United States, aiming to answer common questions - Lutz, Frank Eugene, 1879 -1943 (G. P. Putnam, 1921)

Field book of insects, with special reference to those of northeastern United States, aiming to answer common questions - Lutz, Frank Eugene, 1879 -1943 (G.P. Putnam's sons, 1918)

Field book of insects, with special reference to those of northeastern United States, aiming to answer common questions - Lutz, Frank Eugene, 1879 -1943 (G. P. Putnam, 1921)

Final report of the state geologist. Vol.II, pt.2 Zoology - New Jersey Geological Survey. (The Survey, 1890)

Final report. v. 1-8 - New Jersey Geological Survey. (1917)

First anuual report of the United States Entomological Commission for the year 1877 : relating to the Rocky Mountain locust and the best methods of preventing its injuries and of guarding against its invasions, in pursuance of an appropriation made by Congress for this purpose - Packard, A. S. (Alpheus Spring), 1839 -1905 (G.P.O, 1878)

First observations on nesting and immatures of the bee genus Ancyla (Apoidea, Apidae, Apinae, Ancylaini) - Straka, Jakub (American Museum of Natural History, 2012)

Flora Brasiliensis, enumeratio plantarum in Brasilia hactenus detectarum :quas suis aliorumque botanicorum studiis descriptas et methodo naturali digestas partim icone illustratas - Martius, Karl Friedrich Philipp von, 1794 -1868 (R. Oldenbourg, 1873)

Flora Brasiliensis, enumeratio plantarum in Brasilia hactenus detectarum :quas suis aliorumque botanicorum studiis descriptas et methodo naturali digestas partim icone illustratas - Martius, Karl Friedrich Philipp von, 1794 -1868 (R. Oldenbourg, 1882)

Flora del Río Cenepa, Amazonas, Perú - Vásquez Martínez, Rodolfo (Missouri Botanical Garden Press, 2010)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1905)

The flora of Dumfriesshire : including part of the stewartry of Kirkcudbright - Elliot, G. F. Scott (George Francis Scott), 1862 -1934 (J. Maxwell, 1896)

The flora of Dumfriesshire, including part of the Stewartry of Kirkcudbright - Elliot, G. F. Scott (George Francis Scott), 1862 -1934 (J. Maxwell, 1896)

Flora of the Florida keys; being descriptions of the see-plants growing naturally on the islands of the Florida reef from Virginia key to Dry Tortugas - Small, John Kunkel, 1869 -1938 (The author, 1913)

Flora of the Florida Keys : being descriptions of the seed-plants growing naturally on the islands of the Florida reef from Virginia Key to Dry Tortugas - Small, John Kunkel, 1869 -1938 (J.K. Small, 1913)

Flora of the Florida Keys; being descriptions of the seed-plants growing naturally on the islands of the Florida reef from Virginia Key to Dry Tortugas - Small, John Kunkel, 1869 -1938 (The author, 1913)

Flora of the Lesser Antilles : Leeward and Windward Islands - Proctor, George R (Arnold Arboretum, Harvard University, 1989)

Flora of the southeastern United States; being descriptions of the seed-plants, ferns and fern-allies growing naturally in North Carolina, South Carolina, Georgia, Florida, Tennessee, Alabama, Mississippi, Arkansas, Louisiana, and in Oklahoma and Texas east of the one hundredth meridian - Small, John Kunkel, 1869 -1938 (The author, 1913)

Flora of the southeastern United States; being descriptions of the seed-plants, ferns and fern-allies growing naturally in North Carolina, South Carolin, Georgia, Florida, Tennessee, Alabama, Mississippi, Arkansas, Louisiana and the Indian territory and in Oklahoma and Texas east of the one-hundredth meridian - Small, John Kunkel, 1869 -1938 (The author, 1903)

De flora van Nederland - Heukels, Hendrik, 1854 -1936 (N. v. boekhandel en drukkerij voorheen D.J. Brill, 1909)

Flower ecology - Pammel, L. H. (Louis Hermann), 1862 -1931 (Press of J. B. Hungerford, 1898)

Flowers and insects : contributions to an account of the ecological relations of the entomophilous flora and the anthophilous insect fauna of the neighborhood of Carlinville, Illinois, 1889-1896 - Robertson, Charles, 1858 - (1896)

Die forstinsekten Mitteleuropas. Ein lehr- und handbuch - Nitsche, Hinrich, 1845 -1902 (P. Parey, 1923)

Die fossilen insekten und die phylogenie der rezenten formen; ein handbuch für paläontologen und zoologen - Handlirsch, Anton, 1865 -1935 (W. Engelmann, 1907)

Die fossilen insekten und die phylogenie der rezenten formen; ein handbuch für paläontologen und zoologen - Handlirsch, Anton, 1865 -1935 (W. Engelmann, 1908)

Fritz Müller, Werke, Briefe und Leben - Möller, Alfred, 1860 -1922 (G. Fischer, 1921)

The Garden: an illustrated weekly journal of gardening in all its branches (1900)

The Gardeners' chronicle and agricultural gazette (published for the proprietors, 1852)

Gardeners' magazine of botany, horticulture, floriculture, and natural science (William S. Orr and Co, 1850)

Die Gefiederte Welt (VFV Verbands- und Fachschriftenverlag GmbH & Co. [etc.], 1918)

De gelede dieren - Snellen van Vollenhoven, S. C. (Samuel Constant), 1816 -1880 (G.L. Funke, 1868)

Genera crustaceorum et insectorum secundum ordinem naturalem in familias disposita, iconibus exemplisque plurimis explicata - Latreille, P. A. (Pierre André), 1762 -1833 (A. Koenig, 1807)

Genera crustaceorum et insectorum secundum ordinem naturalem in familias disposita, iconibus exemplisque plurimis explicata - Latreille, P. A. (Pierre André), 1762 -1833 (A. Koenig, 1809)

Genera insectorum - Wytsman, P. (Philogène) 1866 -1925 (L. Desmet-Verteneuil [etc.], 1903)

The genera of the Eupatorieae (Asteraceae) - Robinson, Harold Ernest, 1932 - (Missouri Botanical Garden, 1987)

Genera plantarum :ad exemplaria imprimis in Herberiis Kewensibus servata definita - Hooker, Joseph Dalton, 1817 -1911 (A. Black, 1873)

Genera plantarum :ad exemplaria imprimis in Herberiis Kewensibus servata definita - Hooker, Joseph Dalton, 1817 -1911 (A. Black, 1876)

Genera siphonogamarum ad systema Englerianum conscripta - Harms, Hermann, 1870 -1942 (G. Engelmann, 1900)

Genus-group names of bees and supplemental family-group names - Michener, Charles D. (Charles Duncan), 1918 -2015 (Natural History Museum, The Univeristy of Kansas, 1997)