Novi Commentarii Academiae Scientiarum Instituti Bononiensis - R. Accademia delle scienze dell'Istituto di Bologna. (1849)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1919)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1938)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1939)

Novon a journal of botanical nomenclature from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 1998)

Nuovi annali delle scienze naturali (1838)

Nuovi annali delle scienze naturali (1850)

Nursery and seed catalogue : spring 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kallay Bros. Company, 1932)

Nursery catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1912)

Nursery catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1910)

Nursery stock adapted to the Great Plains region : 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kansas Landscape & Nursery Co, 1948)

Nursery stock adapted to the Great Plains region : 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kansas Landscape & Nursery Co, 1949)

Nursery stock adapted to the Great Plains region : AARS winners for 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kansas Landscape & Nursery Co, 1953)

Nursery stock adapted to the Great Plains region : all-America award winners for 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kansas Landscape & Nursery Co, 1950)

Nursery stock adapted to the Great Plains region : outstanding rose selections for 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kansas Landscape & Nursery Co, 1951)

Obseruationes circa viuentia, quæ in rebus non viuentibus reperiuntur : Cum micrographia curiosa siue Rerum minutissimarum obseruationibus, quæ ope microscopij recognitæ ad viuum exprimuntur : his accesserunt aliquot animalium testaceorum icones non antea in lucem editæ : omnia curiosorum naturæ exploratorum vtilitati & iucunditati expressa & oblata - Buonanni, Filippo, 1638 -1725 (Typis Dominici Antonij Herculis, 1691)

Observations on the colors of flowers - Hervey, E. W. (Eliphalet Williams), 1834 -1925 (E. Anthony & Sons, 1899)

Observations sur l'usage des végétaux exotiques, : et particuliérement du gayac, de la squine, de la salsepareille, et de la lobelia syphilitica, dans les maladies vénériennes - Dupau, Jacques. (Chez Guillot, libraire de monsieur, rue de la Harpe, au-dessus de celle des Mathurins, 1782)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1904)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1905)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1893)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1899)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 2010)

Occasional papers of the Museum of Natural History, the University of Kansas - University of Kansas. Museum of Natural History. (The University, 1976)

Oekonomisch-botanische Beschreibung der verschiedenen und vorzüglichen Arten Ab-und Spielarten der Rosen : zu näherer Berichtigung derselben für Liebhaber von Lustanlagen und Gärten - Rössig, Karl Gottlob, 1752 -1806 (In der Kleefeldschen Buchhandlung, 1799)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1865)

Œuvres complètes de Buffon avec la nomenclature Linnéenne et la classification de Cuvier - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (1853)

Oeuvres complètes de Christiaan Huygens. Publiées par la Société hollandaise des sciences - Huygens, Christiaan, 1629 -1695 (M. Nijhoff, 1888)

Oeuvres de Descartes - France. Ministère de l'Instruction publique (L. Cerf, 1897)

Oeuvres du comte de Lacépède : comprenant l'histoire naturelle des quadrupèdes ovipares, des serpents, des poissons et des cétacés; accompanées du portrait de l'auteur et d'environ 400 figures, exécutés pour cette édition par les meilleurs artistes - Cuvier, Georges, baron, 1769 -1832 (Chez F.D. Pillot, 1832)

Offer no. 221 : July, 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1948)

Offer no. 225 : August, 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1948)

Offer no. 262 : May/June, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1949)

Offer no. 288 : October, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1949)

Offer No. 29 : February 9th, 1929 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1929)

Offer no. 296 : December, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1949)

Offer No. 31 : March 9th, 1929 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1929)

Offer No. 32 : April 1st, 1929 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1929)

Offer no. 340 : 1951 Feb.-March - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1951)

Official lists and indexes of names and works in zoology - International Commission on Zoological Nomenclature (ICZN, 1987)

Official lists and indexes of names and works in zoology. Supplement 1986-2000 - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, c/o Natural History Museum, 2001)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1904)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1894)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1937)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1982)

Les oiseaux de l'est du Canada - Taverner, P. A. (Percy Algernon), 1875 -1947 (F.A. Acland, 1922)

Les oiseaux du Canada clef systématique pour l'identification des ordres, sous-ordres, tribus, familles, genres et espè ces - Provancher, L. (Léon), 1820 -1892 (s.n.], 1874)

Les oiseaux du Canada - Dionne, C.-E. (Charles-Eusèbe), 1846 -1925 (s.n.], 1883)

Les oiseaux du Canada - Dionne, C.-E. (Charles-Eusèbe), 1846 -1925 (P. G. Delisle, 1883)

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)

Olds' 1941 fall bulb book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Company, 1941)

Olds' bulbs : fall bulb book, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Co, 1942)

Olds' bulbs : fall bulb book, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Co, 1943)

Olds' fall bulb book, 1936 : bulbs, seeds, perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Co, 1936)

Olds' field, garden and flower seeds : sixty-fifth year 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Co, 1952)

Olds' field, garden and flower seeds : sixty-fourth year 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Company, 1951)

Olds' seed book, 1943 edition, 56th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Co, 1943)

Olds' seed book, 1944, 57th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Company, 1944)

Olds' seed book, 52nd year, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Company, 1939)

Olds' seed book, 53rd year, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Company, 1940)

Olds' seed book, 54th year, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Co, 1941)

Olds' seed book, 55th year, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Co, 1942)

Olds' seeds, 1945, 58th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Company, 1945)

Olds' seeds, 1950, sixty-third year : field, garden and flower - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Company, 1950)

Olds' seeds : 1957, our 70th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Company, 1957)

Olds' seeds : 1958, our 71st year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Company, 1958)

Olds' seeds, field, flower and garden : 1955, our 68th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Company, 1955)

Olds' seeds, field, flower and garden seed : 1954, our 67th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Company, 1954)

Olds' seeds, field, garden and flower seeds : 1947, 60th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Company, 1947)

Olds' seeds, field, garden and flower seeds : 1948, sixty-first year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Company, 1948)

Olds' seeds,1949, sixty-second year : field, garden and flower - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Company, 1949)

"On gardening" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1934)

"On gardening" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1935)

"On gardening" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1936)

"On gardening" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1937)

"On gardening" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1938)

"On gardening" : 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1928)

On the geology and natural history of the upper Missouri :Being the substance of a report made to Lieut. G.K. Warren, T.E. U.S.A - Hayden, F. V. (Ferdinand Vandeveer), 1829 -1887 (Printed by C. Sherman & son, 1862)

One year field grown perennials, field grown hardy phlox, highest quality peonies, chrysanthemums, hardy bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (North Acre Gardens, 1947)

Onomasticon zoicon, plerorumque animalium differentias & nomina propria pluribus linguis exponens : cui accedunt Mantissa anatomica, et quaedam De variis fossilium generibus - Charleton, Walter, 1619 -1707 (Apud Jacobum Allestry ..., 1668)

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 vogels in huis en tuin - Keulemans, J. G. (John Gerrard), 1842 -1912 (P.W.M. Trap, 1869)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank H. Lattin, 1891)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank H. Lattin, 1893)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank H. Lattin, 1895)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank H. Lattin, 1906)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank H. Lattin, 1911)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank H. Lattin, 1912)

Oölogy of New England : a description of the eggs, nests, and breeding habits of the birds known to breed in New England, with colored illustrations of their eggs - Capen, Elwin A. (A. Mudge & son, printers, 1886)

Opera ornithologica - Bonaparte, Charles-Lucien, 1803 -1857 (1857)

Opera posthuma :figuris aeneis illustrata, quibus praefixa est ejusdem vita a seipso scripta - Malpighi, Marcello, 1628 -1694 (Churchill, 1697)

Operae horarum succisiuarum, sive Meditationes historicae. : Continentes accuratum delectum memorabilium historiarum, & rerum tam veterum, quàm recentium, singulari studio inuicem collatarum, quae omnia lectoribus & uberem admodum fructum, & liberalem pariter oblectationem afferre poterunt. Unà cum indice locupletissimo - Anghiera, Pietro Martire d', 1457 -1526 (Typis Christophori Lochneri et Iohannis Hofmanni. Cum gratia & priuilegio Caes. Maiest. ad annos XII, 1591)

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, 1957)

Opobalsami veteribus cogniti vindiciae - Vesling, Johann, 1598 -1649 (Typis Pauli Frambotti, 1644)

Opuscula medica, quae reperiri potuere omnia, nunc primo simul edita - Drelincourt, Charles, 1633 -1697 (Apud Alberts & van der Kloot, 1727)

Opuscules entomologiques - Mulsant, Martial Étienne, 1797 -1880 (L. Maison, 1853)

Orchard and farm (Calkins Newspaper Syndicate, 1898)

Orchard Hill Nursery : spring 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchard Hill Nursery, 1928)

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)

Oregon roses and other beautiful flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Clarke Bros, 1916)

Oregon's "flower valley seeds" are best - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oregon Florists' Seed Company, 1942)

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)

Florist's journal (How and Parsons, 1840)

Florist's journal (How and Parsons, 1842)

Florist's journal (How and Parsons, 1848)

Ornamental plants for immediate effects - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1939)

Ornamental plants for immediate effects : price list for spring 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1939)

Ornamental plants : special May offer of rare and choice nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1939)

Ornamental trees, evergreens, shrubs, perennials and rock garden plants : retail price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Van's Nursery and Landscape Service, 1938)

Ornamental trees, evergreens, shrubs, perennials and rock garden plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Van's Nursery and Landscape Service, 1947)

Ornamental trees, evergreens, shrubs, perennials and rock garden plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Van's Nursery and Landscape Service, 1941)

Ornithologia methodice digesta, atque iconibus aeneis ad vivum illuminatis ornata - Lorenzi, Lorenzo. (In Aedibus Mouchianis, 1767)

Ornithologia methodice digesta, atque iconibus aeneis ad vivum illuminatis ornata - Lorenzi, Lorenzo. (In Aedibus Mouchianis, 1771)

Ornithologia methodice digesta, atque iconibus aeneis ad vivum illuminatis ornata - Lorenzi, Lorenzo. (In Aedibus Mouchianis, 1776)

Ornithologia, or, The birds: a poem, in two parts : with an introduction to their natural history; and copious notes - Jennings, James. (Sherwood, Gilbert, and Piper, 1829)

Ornithologia, sive, Synopsis methodica sistens avium divisionem in ordines, sectiones, genera, species, ipsarumque varietates : cum brevi & accurata cujusque speciei descriptione, citationibus auctorum de iis tractantium, nominibus eis ab ipsis impositis, nominibusque vulgaribus - Brisson, Mathurin-Jacques, 1723 -1806 (Apud Theodorum Haak, 1763)

Ornithologia Svecica - Nilsson, Sven, 1787 -1883 (Apud J.H. Schubothium, 1821)

Ornithological bibliography - Coues, Elliott, 1842 -1899 (Geological Survey [etc.], 1878)

Ornithological biography, or an account of the habits of the birds of the United States of America ; accompanied by descriptions of the objects represented in the work entitled The Birds of America, and interspersed with delineations of American scenery and manners - Audubon, John James, 1785 -1851 (Adam Black, 1834)