North American botany; comprising the native and common cultivated plants, north of Mexico. Genera arranged according to the artificial and natural methods - Eaton, Amos, 1776 -1842 (E. Gates, 1840)

The North American Crinoidea camerata - Springer, Frank, 1848 -1927 (Printed for the Museum, 1897)

The North American Crinoidea camerata / by Charles Wachsmuth and Frank Springer - Springer, Frank, 1848 -1927 (Printed for the Museum, 1897)

North American geology and palæontology for the use of amateurs, students, and scientists - Miller, S. A. (Samuel Almond), 1836 -1897 (Western Methodist Book Concern, 1889)

The North American Pyrenomycetes. A contribution to mycologic botany - Everhart, B. M. (Benjamin Matlack), 1818 -1904 (Ellis & Everhart, 1892)

The North American sylva, or, A description of the forest trees of the United States, Canada, and Nova Scotia, not described in the work of F. Andrew Michaux and containing all the forest trees discovered in the Rocky Mountains, the territory of Oregon, down to the shores of the Pacific and into the confines of California, as well as in various parts of the United States : illustrated by 122 fine plates - Nuttall, Thomas, 1786 -1859 (Smith & Wistar, 1849)

The North American sylva; or, A description of the forest trees of the United States, Canada and Nova Scotia. Considered particularly with respect to their use in the arts and their introduction into commerce. To which is added a description of the most useful of the European forest trees ... - Nuttall, Thomas, 1786 -1859 (Rice, Rutter & co, 1865)

The North American sylva, or, A description of the forest trees of the United States, Canada, and Nova Scotia considered particularly with respect to their use in the arts and their introduction into commerce : to which is added a description of the most useful of the European forest trees : illustrated by 156 coloured engravings - Smith, J. Jay 1798 -1881 (R.P. Smith, 1851)

The North American sylva, or, A description of the forest trees of the United States, Canada, and Nova Scotia considered particularly with respect to their use in the arts and their introduction into commerce : to which is added a description of the most useful of the European forest trees : illustrated by 156 coloured engravings - Smith, J. Jay 1798 -1881 (G.P. Putnam, 1850)

The North American sylva or, a description of the forest trees of the United States, Canada, and Nova Scotia, considered particularly with respect to their use in the arts and their introduction into commerce, to which is added a description of the most useful of the European forest trees : illustrated by 156 colored engravings - Nuttall, Thomas, 1786 -1859 (Published by Rice, Rutter & Co. No. 525 Minor Street, 1865)

The North American sylva, or A description of the forest trees of the United States, Canada and Nova Scotia ... to which is added a description of the most useful of the European forest trees ... - Hillhouse, Augustus L. (Augustus Lucas), 1791 -1859 (Printed by C. D'Hautel, 1819)

North American trees; being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies; with the assistance of John Adolph Shafer - Britton, Nathaniel Lord, 1859 -1934 (Holt, 1908)

The North British cultivator: a treatise on gardening, agriculture and botany - Macnab, Robert. (J. Dewar and T. Richardson, booksellers, J. & J. Taylor, 1842)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2000)

La notarisia : commentarium phycologicum : rivista trimestrale consacrata all studio delle alghe - Wildeman, E. de (Emile), 1866 -1947 (1893)

Notes on British hydroid zoophytes and other subjects (polyzoan, conchological & geological) - Connold, Edward T., 1862 -1910 (Burfield & Pennells, 1902)

Notes on native and exotic plants in Region 8, with special reference to their value in the Soil Conservation Program - Goodding, Leslie N. (U.S. Soil Conservation Service, 1938)

Notes on the life history of British flowering plants - Lubbock, John, Sir, 1834 -1913 (Macmillan and Co., Ltd, 1905)

Nouveau dictionnaire d'histoire naturelle, appliquée aux arts, à l'agriculture, à l'économie rurale et domestique, à la médecine, etc (Chez Deterville, 1817)

Nouveau recueil de planches coloriées d'oiseaux : pour servir de suite et de complément aux planches enluminées de Buffon, édition in-folio et in-4⁰ de l'Imprimerie royale, 1770 - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (Chez Legras Imbert et Comp, 1838)

Nouvelle flore des champignons, pour la détermination facile de toutes les espèces de France et de la plupart des espèces européennes, avec 3842 figures - Dufour, Léon, 1780 -1865 (Librairie classique et administrative, 1891)

Nouvelles archives du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (Masson et Cie, 1880)

Nouvelles archives du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (Masson et Cie, 1886)

Nouvelles archives du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (Masson et Cie, 1889)

Nouvelles archives du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (Masson et Cie, 1890)

Nova genera et species plantarum :quas in peregrinatione ad plagam aequinoctialem orbis novi collegerunt /descripserunt, partim adumbraverunt Amat. Bonpland et Alex. de Humboldt ; ex schedis autographis Amati Bonplandi in ordinem digessit Carol. Sigismund. Kunth ... - Kunth, Karl Sigismund, 1788 -1850 (Ex officina Christophori Plantini, 1823)

Nova genera et species plantarum :quas in peregrinatione ad plagam aequinoctialem orbis novi collegerunt /descripserunt, partim adumbraverunt Amat. Bonpland et Alex. de Humboldt ; ex schedis autographis Amati Bonplandi in ordinem digessit Carol. Sigismund. Kunth ... - Kunth, Karl Sigismund, 1788 -1850 (Ex officina Christophori Plantini, 1825)

Novon a journal of botanical nomenclature from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 2016)

Now is the time to plant for new beauty in your garden next spring - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Storrs & Harrison Inc, 1940)

Nuova flora analitica d'Italia, contenente la descrizione delle piante vascolari indigene inselvatichite e largamente coltivate in Italia - Fiori, Adriano 1865 -1950 (Tipografia di M. Ricci, 1923)

The nursery-book : a complete guide to the multiplication of plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1907)

The nursery-book; a complete guide to the multiplication of plants ... - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Co, 1914)

The nursery-book : a complete guide to the multiplication and pollination of plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Rural Pub. Co, 1892)

Objects for the microscope : being a popular description of the most instructive and beautiful subjects for exhibition - Clarke, Louisa Lane (Groombridge, 1863)

Objects for the microscope, being a popular description of the most instructive and beautiful subjects for exhibition - Clarke, Louisa Lane (Groombridge and sons, 1871)

Objects for the microscope; a popular description of the most instructive and beautiful subjects for exhibition or examination - Clarke, Louisa Lane (Groombridge, 1889)

Observations of a naturalist in the Pacific between 1896 and 1899 - Guppy, H. B. (Henry Brougham), 1854 -1926 (Macmillan and co., limited, 1903)

Observations on the geology, zoology and botany of Hudson's Strait and Bay, made in 1885 - Geological; Natural History Survey of Canada. (Dawson Brothers, 1885)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1905)

The oceanic Hydrozoa : a description of the Calycophoridæ and Physophoridæ observed during the voyage of H.M.S. "Rattlesnake," in the years 1846-1850 - Huxley, Thomas Henry, 1825 -1895 (Printed for the Ray society, 1859)

Oceanus - Woods Hole Oceanographic Institution. (Woods Hole Oceanographic Institution, 1979)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1889)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1851)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1853)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1869)

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

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 and Co, 1875)

On buds and stipules - Lubbock, John, Sir, 1834 -1913 (K. Paul, Trench, Trübner, 1899)

On the genus Actinometra, Müll., with a morphological account of a new species (A.) polymorpha from the Philippine Islands. Part I - Carpenter, P. Herbert (Philip Herbert), 1852 -1891 (1879)

On the varieties of the shells belonging to the genus Nassa, Lam - Marrat, F. (1880)

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

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank Haak), 1861 -1937 (Frank H. Lattin, 1888)

Ophiura brevispina - Brooks, William Keith, 1848 -1908 (Govt. print. off, 1899)

Ophiura brevispina - Brooks, William Keith, 1848 -1908 (The Johns Hopkins Press, 1900)

Ophiura brevispina - National Academy of Sciences (U.S.) (National Academy of Sciences, 1899)

Organic materia medica and therapeutics : in accordance with the sixth revision of the United States Pharmacopoeia - Simpson, James Young, Sir, 1811 -1870 (J.H. Vail, 1885)

Origin of cultivated plants - Candolle, Alphonse de, 1806 -1893 (K. Paul, Trench, 1884)

The origin of floral structures through insect and other agencies - Henslow, George, 1835 -1925 (D. Appleton, 1888)

Florist's journal (How and Parsons, 1844)

Florist's journal (How and Parsons, 1846)

Florist's journal (How and Parsons, 1847)

Florist's journal (How and Parsons, 1848)

Ornamental nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Co, 1916)

Ornamental nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Co, 1908)

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)

Ornithological dictionary of British birds - Rennie, James, 1787 -1867 (Hurst, Chance, 1831)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1895)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1900)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1905)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1904)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1906)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1912)

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

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

Our early wild flowers a study of the herbaceous plants blooming in early spring in the northern states and Canada - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (McClelland, Goodchild & Stewart, 1916)

Our early wild flowers : a study of the herbaceous plants blooming in early spring in the northern states - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (Scribner, 1916)

Our insect friends and enemies; the relation of insects to man, to other animals, to one another, and to plants, with a chapter on the war against insects - Smith, John Bernhard, 1858 -1912 (J.B. Lippincott Company, 1909)

Our native trees and how to identify them : a popular study of their habits and their peculiarities - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner's Sons, 1900)

Our native trees and how to identify them; a popular study of their habits and their peculiarities - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner's Sons, 1917)

Our native trees and how to identify them; a popular study of their habits and their peculiarities - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner's Sons, 1912)

Our native trees and how to identify them; a popular study of their habits and their peculiarities - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (Scribner, 1902)

Our northern shrubs and how to identify them; a handbook for the nature-lover - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner, 1903)

Our trees and how to know them - Kirk, Charles, 1872 -1922 (Gowans & Gray, 1906)

Our trees, how to know them: photographs from nature by Arthur I. Emerson, with a guide to their recognition at any season of the year and notes on their characteristics, distribution, and culture - Weed, Clarence Moores, 1864 -1947 (J.B. Lippincott, 1918)

Our woodlands, heaths, and hedges a popular description of trees, shrubs, wild fruits, etc., with notices of their insect inhabitants - Coleman, W. S. (William Stephen), 1829 -1904 (Routledge, Warnes, & Routledge, 1859)

The out-door world, or, Young collector's handbook - Furneaux, William S. (Longmans, Green, 1893)

An outline of the theory of organic evolution, with a description of some of the phenomena which it explains - Metcalf, Maynard M. (Maynard Mayo), 1868 -1940 (The Macmillian company; [etc., etc.], 1906)

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 British fungology; containing characters of above a thousand species of Fungi, and a complete list of all that have been described as natives of the British Isles - Berkeley, M. J. (Miles Joseph), 1803 -1889 (L. Reeve, 1860)

Outlines of medical botany :comprising vegetable anatomy and physiology...and a glossary of terms - Reid, Hugo. (Maclachlan, Stewart & Co, 1896)

Oxalis :Monographia iconibus illustrata - Jacquin, Nikolaus Joseph, Freiherr von, 1727 -1817 (apud Christianum F. Wappler ; [etc., etc.], 1794)

Pacific science - University of Hawaii. (University Press of Hawaii, 1967)

Packaged bulbs : packaged roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Growers Exchange Inc, 1959)

Paléontologie française : description zoologique et géologique de tous les animaux mollusques et rayonnés fossiles de France : comprenant leur application à la reconnaissance des couches - Orbigny, Alcide Dessalines d', 1802 -1857 (Chez l'auteur, 1840)

Pamphlets on forestry. Fish and game (1900)

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

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1881)

Papilio - Edwards, Henry, 1827 -1891 (New York Entomological Club, 1884)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1910)

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's illustrated flower book of choice dependable seeds, season of 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1934)

Parte práctica de botánica del caballero Cárlos Linneo, que comprehende las clases, órdenes, géneros, especies y variedades de las plantas, con sus caracteres genéricos y especificos, sinónimos mas selectos, nombres triviales, lugares donde nacen, y propriedades - Linné, Carl von, 1707 -1778 (En la Imprenta Real, 1784)

Pathogenic micro-organisms : including bacteria and Protozoa; a practical manual for students, physicians and health officers - Park, William Hallock, 1863 -1939 (Kimpton, 1908)

Paxton's Botanical dictionary; comprising the names, history, and culture of all plants known in Britain; with a full explanation of technical terms. New ed. including all the new plants up to the present year - Paxton, Joseph, Sir, 1803 -1865 (Bradbury, Evans, & co, 1868)

Paxton's flower garden - Lindley, John, 1799 -1865 (Cassell, Petter, Galpin & Co, 1882)

Paxton's magazine of botany, and register of flowering plants - Paxton, Joseph, Sir, 1803 -1865 (Orr and Smith [etc.], 1834)