Estudios sobre la flora de las islas de Juan Fernandez - Johow, Friedrich, 1859 - (Imprenta Cervantes, 1896)

Étude phytogéographique de la Kabylie du Djurjura - Lapie, Georges (Delagrave, 1909)

Etude sur la géographie botanique de l'Europe, et en particulier sur la végétation du plateau central de la France - Lecoq, Henri, 1802 -1871 (J.-B. Baillière, 1854)

Etudes de lépidoptérologie comparée - Oberthür, Charles, 1845 -1924 (Impr. Oberthür, 1909)

Etudes de lépidoptérologie comparée - Oberthür, Charles, 1845 -1924 (Impr. Oberthür, 1913)

Etudes de lépidoptérologie comparée - Oberthür, Charles, 1845 -1924 (Impr. Oberthür, 1914)

Etudes de lépidoptérologie comparée - Oberthür, Charles, 1845 -1924 (Impr. Oberthür, 1918)

Etudes sur la géographie botanique de l'Italie - Parlatore, Filippo, 1816 -1877 (Baillière, 1878)

Études sur la géographie botanique de l'Europe, et en particulier sur la végétation du plateau central de la France - Lecoq, Henri, 1802 -1871 (H. Baillière, 1854)

European butterflies and moths ... Based upon Berge's "Schmetterlingsbuch." - Kirby, W. F. (William Forsell), 1844 -1912 (Cassell, Petter, Galpin & Co, 1882)

European butterflies and moths : based upon Berge's "Schmetterlingsbuch" - Kirby, W. F. (William Forsell), 1844 -1912 (Cassell, 1889)

Everyday objects; or, Picturesque aspects of natural history - Adams, W. H. Davenport (William Henry Davenport), 1828 -1891 (W.P. Nimmo, 1876)

Excursionsflora für das Grossherzogthum Baden - Seubert, Moritz, 1818 -1878 (J. Engelhorn, 1863)

Expedição scientifica à Serra da Estrella em 1881 - Sociedade de Geografia de Lisboa. (Imprensa Nacional, 1883)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1910)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1911)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1913)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1891)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1889)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1898)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1904)

Extent and cost of weed control with herbicides and an evaluation of important weeds, 1965 - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 1968)

Farlowia :a journal of cryptogamic botany (Farlow Library and Herbarium of Harvard University, 1947)

Farm crops - Wrightson, John, 1840 -1916 (Cassell & Company, 1891)

Farm insects: being the natural history and economy of the insects injurious to the field crops of Great Britain and Ireland - Curtis, John, 1791 -1862 (Blackie & Son, 1860)

Farm insects: being the natural history and economy of the insects injurious to the field crops of Great Britain and Ireland - Curtis, John, 1791 -1862 (Blackie, 1860)

The farmer's and planter's encyclopædia of rural affairs - Emerson, G. (Gouverneur), 1796 -1874 (J. B. Lippincott & co, 1868)

The farmer's and planter's encyclopaedia of rural affairs; embracing all the most recent discoveries in agricultural chemistry, suited to the comprehension of unscientific readers - Emerson, G. (Gouverneur), 1796 -1874 (J. B. Lippincott & Co, 1868)

The farmer's and the planter's encyclopædia of rural affairs - Emerson, G. (Gouverneur), 1796 -1874 (Lippincott, Grambo & co, 1851)

The farmer's dictionary : a vocabulary of the technical terms recently introduced into agriculture and horticulture from various sciences, and also a compendium of practical farming, the latter chiefly from the works of the Rev. W. L. Rham, Loudon, Low and Youatt, and the most eminent American authors - Gardner, D. P. (Daniel Pereira), 1853 (Harper, 1846)

The farmer's encyclopædia, and dictionary of rural affairs; embracing all the most recent discoveries in agricultural chemistry. Adapted to the comprehension of unscientific readers ... - Emerson, G. (Gouverneur), 1796 -1874 (Carey and Hart, 1844)

The farmer's guide to scientific and practical agriculture. Detailing the labors of the farmer, in all their variety, and adapting them to the seasons of the year as they successively occur - Stephens, Henry, 1795 -1874 (L. Scott, 1850)

The farmer's guide to scientific and practical agriculture. Detailing the labors of the farmer, in all their variety, and adapting them to the seasons of the year as they successively occur - Stephens, Henry, 1795 -1874 (L. Scott, 1851)

The Farmer's magazine (Rogerson and Tuxford [etc.], 1860)

The Farmer's magazine (Rogerson and Tuxford, 1854)

The Farmer's magazine (Rogerson and Tuxford, 1849)

The Farmer's magazine (Rogerson and Tuxford, 1857)

The Farmer's magazine (Rogerson and Tuxford, 1867)

The Farmers' register - Ruffin, Edmund, 1794 -1865 (Edmund Ruffin, 1833)

The Farmers' register - Ruffin, Edmund, 1794 -1865 (Edmund Ruffin, 1836)

A fasciculus of thirty-five dried specimens of grasses : and a small packet of the seeds of each kind : with generic and specific descriptions and practical remarks - Thornhill, John (Printed and sold by J. Marshall. sold also by Longman, Hurst, Rees, and Orme, and R. Phillips, London, 1806)

Fasciculus plantarum e flora Marggraviatus Baruthini - Elwert, Johann Kaspar Philipp, 1760 -1827 (Typis Kunstmannianis, 1786)

Fauna des macro-lépidoptères du Valais et des régions limitrophes - Favre, Émile, 1843 -1905 (Bolli & Böcherer, 1899)

Fauna, flora & geology of the Clyde area - Elliot, G. F. Scott (George Francis Scott), 1862 -1934 (Pub. by the local committee for the meeting of the British Association, 1901)

Die Fauna und Flora des südwestlichen Caspi-Gebietes : Wissenschaftliche Beiträge zu den Reisen an der Persisch-Russischen Grenze - Radde, Gustav, 1831 -1903 (F. A. Brockhaus, 1886)

The faunal connections between Europe and North America - Lindroth, Carl Hildebrand 1905 -1979 (Wiley, 1957)

Feeding animals - Stewart, Elliott W. (The author, 1890)

Feeding animals - Stewart, Elliott W. (The author, 1883)

Feeding animals - Stewart, Elliott W. (The author, 1888)

Feeding animals : a practical work upon the laws of animal growth, specially applied to the rearing and feeding of horses, cattle, dairy cows, sheep and swine - Stewart, Elliott W. (The author, 1888)

Femhundra afbildningar af mera allmänt förekommande svenska växter : för skolan och hemmet - Andersson, N. J. (Nils Johan), 1821 -1880 (Z. Haeggström, 1870)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1979)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1991)

Ferns and flowering plants of South Dakota - Saunders, De Alton, 1870 -1940 (U.S. Experiment Station, South Dakota, 1899)

Ferre, Batchelder & Co's catalogue of seeds, and vegetable and flower garden manual, comprising a list of all the valuable varieties of American growth, together with many rare varieties and novelties, obtained from the most reliable English and Continental dealers and growers, with special directions for their cultivation, to which is added a list of summer flowering bulbs and mall fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferre, Batchelder & Co, 1869)

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, 1874)

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, 1878)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1880)

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, 1890)

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, 1896)

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, 1913)

Field and forest - Potomac-side Naturalists' Club. (Columbia Press, 1876)

Field and forest - Potomac-side Naturalists' Club. (Columbia Press, 1877)

Field and woodland plants - Furneaux, William S. (Longmans, Green, and Co, 1909)

Field and woodland plants - Furneaux, William S. (Longmans, Green, 1911)

Field book - Fort Pierce, Florida, April 1993 - Smithsonian Environmental Research Center. (1993)

The field botanist's companion : comprising a familiar account, in the four seasons, of the most common of the wild flowering plants of the British Isles - Moore, Thomas, 1821 -1887 (L. Reeve, 1862)

Field, forest, and garden botany, a simple introduction to the common plants of the United States, east of the Mississippi, both wild and cultivated - Gray, Asa, 1810 -1888 (Ivison, Phinney, Blakeman, & co, 1868)

Field, forest, and garden botany, a simple introduction to the common plants of the United States, east of the Mississippi, both wild and cultivated - Gray, Asa, 1810 -1888 (Ivison, Phinney, Blakeman, 1868)

Field, forest, and garden botany, a simple introduction to the common plants of the United States east of the Mississippi, both wild and cultivated - Gray, Asa, 1810 -1888 (Ivison, Phinney, Blakeman, 1869)

Field Notebook: Russia 1975 - Hickey, Leo (1975)

Field notes, Death Valley Expedition, 1891 - Coville, Frederick V. (Frederick Vernon) 1867 -1937 (1891)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1955)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1980)

Final report : east front grizzly studies - Aune, Keith, 1954 - (Montana Dept. of Fish, Wildlife and Parks, 1989)

First biennial report of the progress of the Geological survey of Michigan, embracing observations on the geology, zoölogy and botany of the lower peninsula. Made to the governor, December 31, 1860 - Winchell, Alexander, 1824 -1891 (Hosmer & Kerr, printers to the state, 1861)

First book of grasses; the structure of grasses explained for beginners - Chase, Agnes, 1869 -1963 (The Macmillan Company, 1922)

First supplement to the Flora of Jackson County, Missouri - Bush, Benjamin Franklin, 1858 -1937 (s.n, 1885)

Flora Aconiensis; seu, Plantarum in Novariensi Provincia sponte nascentium descriptio - Biroli, Giovanni, 1772 -1825 (Ex Typographia Viglevanensi, 1808)