Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1852)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1854)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1856)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1857)

Offer no. 333 : Sept.-Oct. 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1950)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1909)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1912)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1917)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1920)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1900)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1903)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1905)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1906)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1910)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1913)

Oländska och Gothländska resa : på riksens hògloflige ständers befallning forrättad åhr 1741. Med anmärkningar uti oeconomien, natural-historien, antiquiteter &c. med ätskillige figurer - Linné, Carl von, 1707 -1778 (Mos Gottfried Kiesewetter, 1745)

Om Galapagos-hoarnes vegetation - Andersson, N. J. (Nils Johan), 1821 -1880 (Norstedt, 1857)

Om Westeråstrakten i botaniskt afseende - Troilius, Adolf Magnus, 1838 -1909 (Tryckt hos E. Westrell, 1860)

Les Ombellifères : contributions pluridisciplinaires à la systématique : actes du 2e Symposium International sur les Ombellifères, Centre Universitaire de Perpignan, 18-21 mai 1977 - Cauwet-Marc, A.-M. (Anne-Marie) (Missouri Botanical Garden, 1977)

On the Chilopoda of North America, with a catalogue of all the specimens in the collection of the Smithsonian Institution - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1862)

On the Coleoptera known to occur in Indiana - Blatchley, W. S. (Willis Stanley), 1859 -1940 (W.B. Burford, contractor for state printing, 1910)

On the fishes of the Ambyiacu River - Cope, E. D. (Edward Drinker), 1840 -1897 (Academy of Natural Sciences, 1872)

On the flora of Australia : its origin, affinities, and distribution : being an introductory essay to the flora of Tasmania - Hooker, Joseph Dalton, 1817 -1911 (Lovell Reeve, 1859)

On the natural history and classification of birds - Swainson, William, 1789 -1855 (John Taylor, 1836)

On the Natural History and classification of Birds : vol. I and II - Swainson, William, 1789 -1855 (pr. for Longman [etc.], 1836)

On the popular names of British plants, being an explanation of the origin and meaning of the names of our indigenous and most commonly cultivated species - Prior, R. C. Alexander (Richard Chandler Alexander), 1809 -1902 (Williams and Norgate, 1870)

On the study and value of Chinese botanical works : with notes on the history of plants and geographical botany from Chinese sources - Bretschneider, E. (Emil), 1833 -1901 (1871)

On the vegetation of the Bermudas - Jones, J. Matthew (John Matthew), 1828 -1888 (s.n, 1874)

One-hundred and fifth annual catalogue of high class seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1906)

One-hundred and ninth annual catalogue of high class seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1910)

One hundred and second annual catalogue of high-class seeds, 1903 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1903)

One-hundred-and-sixth annual catalogue of high-class seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1907)

Onomatologia botanica completa : oder Vollständiges botanisches Wörterbuch ; worinn nicht nur alle Kunstwörter übersetzt und erklärt, die bekannte [sic] Pflanzen nach der Lehrart des Ritters von Linne beschrieben, ihre verschiedene Namen nach den berühmtesten Schriftstellern angeführt, und eine kleine Lebensgeschichte der vornehmsten Kräuterkundigen beygefügt, sondern auch die Heilskräfte und der Nutzen, den die Arzney-Wissenschaft, Landwirtschaft, Färberey, Vieharzney- und Scheidekunst aus denselben ziehen, aus den besten Schriften dieser Art und aus eigener Erfahrung erläutert werden von einer Gesellschaft erfahrner Pflanzenkundiger - Gmelin, Johann Friedrich, 1748 -1804 ([publisher not identified], 1778)

Onze flora. Beschrijving van de familiën, voornamste geslachten en soorten der in Nederland in het wild groeiende, verwilderde, verbouwde en aangeplante gewassen, alsmede van eenige fraaie en nuttige midden-europeesche planten - Hoffmann, Carl, 1802 -1883 (W.J. Thieme, 1900)

Open-air studies in botany : sketches of British wild flowers in their homes - Praeger, R. Lloyd (Robert Lloyd), 1865 -1953 (Griffin, 1897)

Opera e periodicis collata - Vries, Hugo de, 1848 -1935 (A. Oosthoek, 1918)

Theophrasti Eresii De historia plantarum libri decem, Graece : cum syllabo generum et specierum, glossario, et notis - Theophrastus. (S. Collingwood, 1813)

Opinions and declarations rendered by the International Commission on Zoological Nomenclature - International Commission on Zoological Nomenclature (Printed by order of the International Trust for Zoological Nomenclature, 1956)

Opuscules entomologiques - Mulsant, Martial Étienne, 1797 -1880 (L. Maison, 1859)

The Orchid review (Orchid Review ltd.], 1893)

The Orchid review (Orchid Review ltd.], 1905)

Orchids : a description of the species and varieties grown at Glen Ridge, near Boston, with lists and descriptions of other desirable kinds : prefaced by chapters - Rand, Edward Sprague, 1834 -1897 (Hurd and Houghton, 1876)

Orchids; a description of the species and varieties grown at Glen Ridge, near Boston, with lists and descriptions of other desirable kinds : preface by chapters on the culture, propagation, collection, and hybridization of orchids; the construction and management of orchid houses; a glossary of botanical terms and significance of their names; the whole forming a complete manual of orchid culture - Rand, Edward Sprague, Jr., 1834 -1897 (Houghton, Mifflin and company, 1888)

Orchids: their culture and management - Watson, William, 1858 -1925 (L. U. Gill, 1903)

Order Coleoptera - Smith, John Bernhard, 1858 -1912 (New Jersey State Museum, 1909)

Oréades - Instituto de Ciências Biológicas da UFMG. Departamento de Botânica. (Departamento de Botânica, U.F.M.G, 1981)

Organographie der Pflanzen, insbesondere der Archegoniaten und Samenpflanzen - Goebel, K. (Karl), 1855 -1932 (G. Fischer, 1913)

Organographie der Pflanzen, insbesondere der Archegoniaten und Samenpflanzen - Goebel, K. (Karl), 1855 -1932 (G. Fischer, 1898)

Organography of plants, especially of the archegoniatae and spermaphyta - Goebel, K. (Karl), 1855 -1932 (Clar. Press, 1900)

The origin of the British flora - Reid, Clement, 1853 -1916 (Dulau, 1899)

The origin of the fittest : essays on evolution - Cope, E. D. (Edward Drinker), 1840 -1897 (D. Appleton, 1887)

The origin of the fittest : essays on evolution - Cope, E. D. (Edward Drinker), 1840 -1897 (Macmillan and Company, 1887)

The origin of the fittest; essays on evolution - Cope, E. D. (Edward Drinker), 1840 -1897 (D. Appleton, 1887)

Original notebooks of the botanist, volumes 1 - 4, Peru - Brackenridge, William D. (William Dunlop), 1810 -1893 (1838)

Original notebooks of the botanist, volumes 5 - 6, New South Wales (Australia) - Brackenridge, William D. (William Dunlop), 1810 -1893 (1838)

An ornithological index, arranged according to the synopsis avium of Mr. Vigors / by T. B. L. Baker - Vigors, N. A.‏ ‎ (Nicholas Aylward),‏ ‎ 1785 -1840 (Printed by R. Taylor, 1835)

Ornithological synonyms - Strickland, Catherine Dorcas Maule Jardine (J. Van Voorst, 1855)

Ornithologie du Pérou - Taczanowski, Władysław, 1819 -1890 (Typographie Oberthur, 1884)

Die österreichischen Diatomaceen, nebst Anschluss einiger neuen Arten von andern Lokalitäten und einer kritischen Uebersicht der bisher bekannten Gattungen und Arten - Grunow, A. (Albert), 1826 -1914 (1862)

Die Ostsudeten; eine floristische Skizze - Hruby, Johann. (Landesdurch-forschungs-Komemission, 1914)

O.S.U. naturalist - Ohio State University. Biological Club. (Biological Club of Ohio State University, 1901)

O.S.U. naturalist - Ohio State University. Biological Club. (Biological Club of Ohio State University, 1902)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1887)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1888)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1898)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1909)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1908)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1916)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1917)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1915)

Our 30th year, 1928 - 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Busch Nurseries, Inc, 1958)

Our annual illustrated catalogue of the best varieties of vegetable and flower seeds : being a collection of those kinds best adapted to the requirements of the home garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.H. Hunt, 1896)

Our country's animals and how to know them. A guide to the mammals, reptiles and amphibians of Great Britain - Gordon, W. J. (Simpkin, Marshall, Hamilton, Kent, 1904)

Our new guide to rose culture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Dingee & Conard Co, 1892)

Our new guide to rose culture : 1891 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Dingee & Conard Co, 1891)

Our new guide to rose culture : 1894 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Dingee & Conard Co, 1893)

Our new guide to rose culture : 1894 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Dingee & Conard Co, 1895)

Our new guide to rose culture : 1897 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Dingee & Conard Co, 1897)

Our northern autumn, a study of its characteristic flowers, its brilliant foliage and its conspicuous fruits - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (Scribner, 1920)

Outline of the flora of Trinidad - Crüger, Herman, 1818 -1864 (Peter and Galpin, 1858)

Outlines of botany for the high school laboratory and classroom : (based on Gray's Lessons in botany) - Gray, Asa, 1810 -1888 (American Book Company, 1901)

Outlines of botany for the high school laboratory and classroom (based on Gray's Lessons in botany) - Leavitt, Robert Greenleaf, 1865 - (American Book Co, 1901)

Outlines of botany for the high school laboratory and classroom (based on Gray's Lessons in botany) Prepared at the request of the Botanical Dept. of Harvard University - Gray, Asa, 1810 -1888 (American Book Co, 1901)

Outlines of plant life : with special reference to form and function - Barnes, Charles Reid, 1858 -1910 (Henry Holt and Company, 1900)

Outlines of the natural history of Great Britain and Ireland, containing a systematic arrangement and concise description of all the animals, vegetables and fossiles which have hitherto been discovered in these kingdoms - Berkenhout, John, 1730 -1791 (Printed for P. Elmsly (Successor to Mr. Vaillant), 1770)

Over de bevruchting der bloemen in het kempisch gedeelte van Vlaanderen - MacLeod, Julius, 1857 -1919 (Vuylsteke, 1894)

Pacific science - University of Hawaii. (University Press of Hawaii, 1952)

Pacific science - University of Hawaii. (University Press of Hawaii, 1962)

Une page d'histoire de la medecine : la thérapeutique sous les premiers Césars - Lépine, R. (Raphael), 1840 -1919 (F. Alcan, 1890)

Palæontology of New-York - Hall, James, 1811 -1898 (Printed by C. Van Benthuysen, 1851)

Paleontology of the Eureka district - Walcott, Charles D. (Charles Doolittle), 1850 -1927 (Govt. print. off, 1884)

Palladin's Plant physiology - Hopping, Aleita, 1890 - (P. Blakiston's son, 1926)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1881)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1884)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1885)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1886)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1887)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1892)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1895)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1896)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1904)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1914)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1916)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1917)

[Pamphlets on agriculture in Guam] (s.n, 1905)

Pamphlets on forestry in California (1900)

Pamphlets on silviculture (1899)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1963)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1972)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1988)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1992)

Die Papageien - Finsch, O. (Otto), 1839 -1917 (Brill, 1867)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1886)

Papers from the Tortugas Laboratory of the Carnegie Institution of Washington - Carnegie Institution of Washington. Department of Marine Biology. (Carnegie Institution of Washington, 1918)

Papers on Tipulidae - Alexander, Charles P. (Charles Paul), 1889 -1981 (s.n.], 1911)

Parasitic fungi of Illinois / by T.J. Burrill - Earle, F. S. (Franklin Sumner), 1856 -1929 (J. W. Franks, 1885)

Parasitic fungi of Illinois / by T.J. Burrill - Earle, F. S. (Franklin Sumner), 1856 -1929 (J. W. Franks, 1887)

Park and cemetery - Haight, R. J. (Rufus J.) (R.J. Haight, 1898)

Park and cemetery and landscape gardening - Haight, R. J. (Rufus J.) (R.J. Haight, 1901)

Park and cemetery and landscape gardening - Haight, R. J. (Rufus J.) (R.J. Haight, 1915)

Park's 1941 flower book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1941)

Park's floral guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1912)

Park's floral guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1897)

Park's floral guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George W. Park, 1900)

Park's floral guide, 1896 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1896)

Park's floral guide 1901 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George W. Park, 1901)