Oikos= boletín del Centro de Ecología [UNAM] (Instituto de Ecología, UNAM, 1991)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1962)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1963)

Okens Lehrbuch der Naturgeschichte - Oken, Lorenz, 1779 -1851 (Bei Carl Heinrich Reclam, 1815)

Okens Lehrbuch der Naturgeschichte - Oken, Lorenz, 1779 -1851 (Bei Carl Heinrich Reclam, 1816)

The oldest and largest water garden specialists : 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.W. Ramsey Advertising Agency, 1953)

The oldest and largest water garden specialists : 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Tricker, Inc, 1954)

The oldest and largest water garden specialists : 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Tricker, Inc, 1955)

The oldest and largest water garden specialists : 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Tricker, Inc, 1957)

The oldest and largest water garden specialists : 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Tricker, Inc, 1958)

On British wild flowers considered in relation to insects - Lubbock, John, Sir, 1834 -1913 (Macmillan, 1875)

On British wild flowers considered in relation to insects - Lubbock, John, Sir, 1834 -1913 (MacMillan, 1890)

On British wild flowers considered in relation to insects - Lubbock, John, Sir, 1834 -1913 (Macmillan, 1909)

On British wild flowers considered in relation to insects - Lubbock, John, Sir, 1834 -1913 (Macmillan, 1890)

On the relation of phyllotaxis to mechanical laws - Church, A. H. (Arthur Harry), 1865 -1937 (Williams & Norgate, 1904)

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

Onomatologia Anatomica. Geschichte und Kritik der anatomischen Sprache der Gegenwart, mit besonderer Berücksichtigung ihrer Barbarismen, Widersinnigkeiten, Tropen und grammatikalischen Fehler - Hyrtl, Joseph, 1811 -1894 (W. Braumüller, 1880)

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], 1774)

The Ontario natural science bulletin - Wellington Field Naturalists' Club. (Wellington Field Naturalists' Club, 1913)

Ophiurans of the Philippine seas and adjacent waters - Clark, Austin Hobart, 1880 -1954 (Govt. print. off, 1922)

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

Opuscules de botanique (1862-1873) - Jussieu, Antoine Laurent de, 1748 -1836 (1875)

Orchard and garden (J.T. Lovett, 1889)

Orchids and greenhouse plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Co, 1916)

Oregon wild flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Clarice Nye, 1931)

Oregon wild flowers, rock plants and seeds, lilies, trees and shrubs, ferns, perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mrs. Clarice Nye, 1932)

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

Florist's journal (How and Parsons, 1840)

Ornamental gardening in Florida - Simpson, Charles Torrey, 1846 -1932 (The author, 1916)

Ornamental hardy plants of the better class : spring 1906 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1906)

Ornamental nursery : 11th annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.R. Lawrence, 1929)

Ornamental trees and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1908)

Ornamental trees, plants, shrubs, vines, etc. : fruit trees and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Samuel C. Moon, 1896)

Ornamental trees, shrubs, evergreens, roses : vines, water lilies, fruit trees, small fruits, herbaceous plants, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.S. Peterson & Sons, 1909)

Ornamental trees, shrubs, roses, bedding plants : catalog number fifteen - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (East Lawn Nursery, 1930)

Ornithologisches Centralblatt (L.A. Kittler, 1879)

Ornithologisches Jahrbuch (V. Tschusi, 1896)

Ornithologisches Jahrbuch (V. Tschusi, 1897)

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, 1911)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1913)

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

Our 70th anniversary gifts to old and new customers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arthur J. Collins & Sons, 1930)

Our Canadian prairies being a description of the most notable plants of Manitoba : the chief noxious weeds and how to destroy them, the trees and wild fruits, along with Arbor day exercises and poems - Bryce, George, 1844 -1931 (C.B. Robinson, 1895)

Our garden flowers; a popular study of their native lands, their life histories, and their structural affiliations - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner's Sons, 1910)

Our new guide to rose culture : 1899 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Dingee & Conard Co, 1898)

Our new guide to rose culture : 1904 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Dingee & Conard Co, 1904)

Our new guide to rose culture : 1904 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Dingee & Conard Co, 1907)

Our new guide to rose culture : 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Dingee & Conard Co, 1908)

Our South African flora = Ons Suid-Afrikaanse plantegroei - Compton, R. H. (Cape Times, 1900)

Out-of-the-ordinary bulbs, fall 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oakhurst Gardens, 1946)

Outdoor studies. Poems - Higginson, Thomas Wentworth, 1823 -1911 (Houghton, Mifflin and company, 1900)

An outline of plant geography (The Macmillan company, 1926)

Outlines of classification and special morphology of plants - Goebel, K. (Karl), 1855 -1932 (Clarendon Press, 1887)

Outlines of classification and special morphology of plants - Balfour, Isaac Bayley, 1853 -1922 (Clarendon Press, 1887)

Outlines of geology, prepared for the use of the junior class of Columbia College - Renwick, James, 1792 -1863 (Printed by Henry Ludwig, 1838)

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

Oxford gardens, based upon Daubeny's Popular guide to the physick garden of Oxford: with notes on the gardens of the colleges and on the University park - Gunther, R. T. (Robert Theodore), 1869 -1940 (Parker & son; [etc., etc.], 1912)

Oxford gardens. Based upon Daubeny's Popular guide to the physick garden of Oxford : with notes on the gardens of the colleges and on the University Park - Gunther, R. T. (Robert Theodore), 1869 -1940 (Parker, 1912)

Pacific Northwest Rivers Study : final report, Montana - Decker-Hess, Janet. ([Montana Dept. of Fish, Wildlife, and Parks, 1988)

Pacific States Floral Congress. [Papers] - California State Floral Society. (Academy of sciences, 1901)

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

Page's home floriculture; a complete guide for the growing of flowers in the house and garden - Page, Chas. N. (Charles Nash), 1860 - (The author, 1911)

Painesville Nurseries : spring 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Storrs and Harrison Co, 1914)

Painesville Nurseries : spring 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Storrs and Harrison Co, 1916)

Die palaeobotanische Literatur : bibliographische Übersicht über die Arbeiten aus dem Gebiete der Palaeobotanik - Jongmans, W. (Willem), 1878 -1957 (Fischer, 1910)

Die palaeobotanische Literatur : bibliographische Übersicht über die Arbeiten aus dem Gebiete der Palaeobotanik - Jongmans, W. (Willem), 1878 -1957 (Fischer, 1911)

Palaeontographica (Theodor Fischer, 1846)

Palaeontographica (Theodor Fischer, 1855)

Palaeontographica (Theodor Fischer, 1859)

Palaeontographica (Theodor Fischer, 1867)

Palaeontographica (Theodor Fischer, 1876)

Palaeontographica (Theodor Fischer, 1880)

Palaeontology - Palaeontological Association (Palaeontological Association, 1973)

Palaeontology - Palaeontological Association (Palaeontological Association, 1998)

Paleobotany and biogeography : a festschrift for Alan Graham in his 80th year - Raven, Peter H (Missouri Botanical Garden, 2014)

Palmer's seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palmer Seed Company, 1930)

Palmer's seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palmer Seed Company, 1931)

Palmer's seeds : 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palmer Seed Company, 1929)

Palmer's seeds, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palmer Seed Company, 1932)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1883)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1885)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1888)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1892)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1904)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1917)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1918)

Pamphlets on silviculture (1899)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1946)

Papers presented at the Celebration of the Twentieth Anniversary of the New York Botanical Garden, September 6-9, 1915. Published by the aid of the David Lydig Fund, bequethed by Charles P. Daly - New York Botanical Garden (1916)

The paradisus londinensis:or coloured figures of plants cultivated in the vicinity of the metropolis - Salisbury, R. A. (Richard Anthony), 1761 -1829 (Printed by D.N. Shury, and published by William Hooker, 1805)

Park and cemetery - Haight, R. J. (Rufus J.) (R.J. Haight, 1896)

Park and cemetery - Haight, R. J. (Rufus J.) (R.J. Haight, 1897)

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

Park and cemetery - Haight, R. J. (Rufus J.) (R.J. Haight, 1899)

Park and cemetery - Haight, R. J. (Rufus J.) (R.J. Haight, 1900)

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, 1906)

Park's 1940 flower book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1940)

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

Park's floral guide : 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1915)

Park's floral guide for 1907 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1907)

Park's floral guide for 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1908)

Park's flower book : season 1938, 70th anniversary - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1938)

Park's flower book : season 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1939)

Park's illustrated flower book of choice dependable seeds : season of 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1930)

Park's illustrated flower book of choice dependable seeds : season of 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1929)

Park's illustrated flower book of choice dependable seeds : season of 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1932)

Park's illustrated flower book of choice dependable seeds : season of 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Company, 1935)