Nomenclator botanicus, seu, Synonymia plantarum universalis :enumerans ordine alphabetico nomina atque synonyma, tum generica tum specifica, et a Linnaeo et a recentioribus de re botanica scriptoribus plantis phanerogamis imposita - Steudel, Ernst Gottlieb, 1783 -1856 (typis et sumptibus J.G. Cottae, 1840)

Nomenclator botanicus, seu, Synonymia plantarum universalis :enumerans ordine alphabetico nomina atque synonyma, tum generica tum specifica, et a Linnaeo et a recentioribus de re botanica scriptoribus plantis phanerogamis imposita - Steudel, Ernst Gottlieb, 1783 -1856 (typis et sumptibus J.G. Cottae, 1841)

Nomenclator zoologicus. An alphabetical list of all generic names that have been employed by naturalists for recent and fossil animals from the earliest times to the close of the year 1879 ... - Scudder, Samuel Hubbard, 1837 -1911 (Govt. Print. Off, 1882)

Nomenclator zoologicus : continens nomina systematica generum animalium tam viventium quam fossilium, secundum ordinem alphabeticum disposita, adjectis auctoribus, libris, in quibus reperiuntur, anno editionis, etymologia et familiis, ad quas pertinent, in singulis classibus - Agassiz, Louis, 1807 -1873 (Jent et Gassmann, 1842)

Nomenclator Zoologicus : eine etymologische Erklärung der vorzüglichsten Gattungs- und Art-Namen, welche in der Naturgeschichte des Thierreichs vorkommen - Leunis, Johannes, 1802 -1873 (Hahn'sche Hofbuchhandlung, 1866)

Nomenclatoris zoologici index universalis : continens nomina systematica classium, ordinum, familiarum et generum animalium omnium ... homonymiis plantarum - Agassiz, Louis, 1807 -1873 (Sumptibus Jent et Gassman, 1848)

Nomina conservanda - Gesellschaft Naturforschender Freunde zu Berlin. (Gesellschaft naturforschender Freunde zu Berlin, 1915)

Nomina systematica generum polyporum (anthozoorum et bryozoorum cum polythálamiis) tam viventium quam fossilium : secundum ordinem alphabeticum disposita, adjectis auctoribus, libris in quibus reperiuntur, anno editionis, etymologia et familiis ad quas pertinent - Agassiz, Louis, 1807 -1873 (s.n, 1845)

Den Norske Nordhavs-expedition, 1876-1878 - Sars, G. O. (Georg Ossian), 1837 -1927 (Grøndahl & søns bogtrykkeri, 1896)

North American Acalephæ - Agassiz, Alexander, 1835 -1910 ([University Press: Welch, Bigelow, & Co.], 1865)

North American Acalephæ / by Alexander Agassiz - Agassiz, Alexander, 1835 -1910 (For sale by Sever and Francis, 1865)

North American Acalephae - Agassiz, Alexander, 1835 -1910 ([University press: Welch, Bigelow, & co.], 1865)

Northrup, King & Co.'s 25th anniversary offering of sterling seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Northrup, King & Co, 1909)

Northrup, King & Co.'s 26th annual offering of sterling seeds 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Northrup, King & Co, 1910)

Northrup, King & Co.'s seeds : thirty sixth annual catalogue 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Northrup, King & Co, 1920)

Northrup, King & Co.'s thirty-second annual catalogue [of] sterling seeds : 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Northrup, King & Co, 1916)

Northrup, King & Co.'s thirty-third annual catalogue [of] sterling seeds : 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Northrup, King & Co, 1917)

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

Notizen aus dem Gebiete der Natur- und Heilkunde (Druck und Verlag des Landes-Industrie-Comptoirs, 1847)

Notizen aus dem Gebiete der Natur- und Heilkunde (G.H.S. pr. Landes-Industrie-Comptoir, 1826)

Notizen aus dem Gebiete der Natur- und Heilkunde (G.H.S. pr. Landes-Industrie-Comptoir, 1827)

Notizen aus dem Gebiete der Natur- und Heilkunde (G.H.S. pr. Landes-Industrie-Comptoir, 1828)

Notizen aus dem Gebiete der Natur- und Heilkunde (G.H.S. pr. Landes-Industrie-Comptoir, 1834)

Nouveaux éléments d'histoire naturelle médicale : comprenant des notions générales sur la zoologie, la botanique et la minéralogie, l'histoire et les propriétés des animaux et des végétaux utiles ou nuisibles à l'homme, soit par eux-mêmes, soit par l - Cauvet, D. (Désiré), 1827 -1890 (J.B. Baillière, 1869)

Nouveaux éléments d'histoire naturelle médicale : comprenant des notions générales sur la zoologie, la botanique et la minéralogie, l'histoire et les propriétés des animaux et des végétaux utiles ou nuisibles à l'homme, soit par eux-mêmes, soit par leurs produits - Royal College of Physicians of Edinburgh. (Bailliere, 1869)

Nouveaux mémoires de l'Académie royale des sciences et belles-lettres de Bruxelles - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1844)

Novelties and specialties : special offer to vegetable and flower growers, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (DeGiorgi Brothers Co, 1932)

Novelties and specialties : special offer to vegetable and flower growers, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (DeGiorgi Brothers Co, 1934)

Novelties and specialties : special offer to vegetable and flower growers, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (DeGiorgi Brothers Co, 1933)

Novelties and specialties, special offer to vegetable and flower growers : 1941, our 36th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (DeGiorgi Brothers Co, 1941)

Novelty and specialty and general trade list of "California's choicest flower seeds ... since 1890" : crop 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bodger Seeds, Ltd, 1942)

Novelty and specialty and general trade list of "California's choicest flower seeds ... since 1890" : crop 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bodger Seeds, Ltd, 1941)

Novelty and specialty and general trade list of "California's choicest flower seeds ... since 1890" : crop 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bodger Seeds, Ltd, 1940)

Novelty and specialty and general trade list of "California's choicest flower seeds ... since 1890" : crop 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bodger Seeds, Ltd, 1939)

Novelty and specialty and general trade list of "California's choicest flower seeds ... since 1890" : crop 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bodger Seeds, Ltd, 1938)

Novelty and specialty and general trade list of California's choicest flower seeds : crop 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bodger Seeds, Ltd, 1937)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (Friedrich Frommann, 1854)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (Friedrich Frommann, 1954)

Nuova notarisia, rassegna consacrata allo studio delle alghe - Toni, Giovanni Battista de, 1864 -1924 (1920)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1851)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1853)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1857)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1911)

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)

Observationes zoologicas de zoophytis coralliis, speciatim de genere Fungia : et descriptionem nonnullarum hujus generis specierum novarum vel nondum accuratius cognitarum / edidit Frid. Sigism. Leuckart ; cum tabulis IV aere incisis - Leuckart, F. S. (Friedrich Sigismund), 1794 -1843 (1841)

Observations on the spontaneous motions of the ova of the campanuloria dichotoma, gorgonia verrucosa, caryophyllea calycularis, spongia panicea, sp. papillaris, cristata, tomentosa, and plumularia falcata - Royal College of Physicians of Edinburgh. ([s.n.], 1826)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1915)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1966)

The ocean world: being a description of the sea and its living inhabitants - Figuier, Louis, 1819 -1894 (Cassell, Petter and Galpin, 1869)

The ocean world: being a description of the sea and some of its inhabitants - Figuier, Louis, 1819 -1894 (Cassell, 1872)

The ocean world : being a descriptive history of the sea and its living inhabitants - Figuier, Louis, 1819 -1894 (Chapman and Hall, 1868)

The ocean world: being a descriptive history of the sea and its living inhabitants - Figuier, Louis, 1819 -1894 (Chapman & Hall, 1868)

The ocean world: being a descriptive history of the sea and its living inhabitants - Figuier, Louis, 1819 -1894 (D. Appleton & co, 1868)

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)

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)

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

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1838)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1866)

On growth and form - Thompson, D'Arcy Wentworth, 1860 -1948 (University press, 1917)

On growth and form - Thompson, D'Arcy Wentworth, 1860 -1948 (University Press, 1945)

On parthenogenesis - Owen, Richard, 1804 -1892 (John Van Voorst, 1849)

On parthenogenesis, or The successive production of procreating indivduals from a single ovum. A discourse introductory to the Hunterian lectures on generation and development, for the year 1849, delivered at the Royal college of surgeons of England - Owen, Richard, 1804 -1892 (J. Van Voorst, 1849)

On some new and rare Hydroida in the Australian museum collection - Australian Museum (1888)

On the alternation of generations : or The propagation and development of animals through alternate generations / by Joh. Japetus Sm. Steenstrup ... Tr. from the German version of C.H. Lorenzen, by George Busk - Busk, George, 1807 -1886 (Printed for the Ray society, 1845)

On the deep and shallow water marine fauna of the Kerguelen Region of the Great Southern Ocean - Murray, John, Sir, 1841 -1914 (Robert Grant & Son, 1896)

One hundredth anniversary, 1835-1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wilson S. Brower Co., Inc, 1935)

Die organischen Regulationen, Vorbereitungen zu einer Theorie des Lebens - Driesch, Hans, 1867 -1941 (Engelmann, 1901)

The organism as a whole, from a physico-chemical viewpoint - Loeb, Jacques, 1859 -1924 (Putnam, 1916)

The organism as a whole : from a physicochemical viewpoint - Loeb, Jacques, 1859 -1924 (G. P. Putnam's sons, 1916)

The organism as a whole, from a physicochemical viewpoint - Loeb, Jacques, 1859 -1924 (Putnam's Sons, 1916)

Oriental seeds, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oriental Seed Co, 1929)

Oriental seeds, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oriental Seed Co, 1930)

Oriental seeds, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oriental Seed Co, 1931)

Oriental seeds, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oriental Seed Co, 1932)

Our 50th anniversary, 1905-1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1955)

Our floating population : buoy collecting 1937-1940 - Gray, George M. (1940)

Our living world; an artistic edition of the Rev. J. G. Wood's Natural history of animate creation - Wood, J. G. (John George), 1827 -1889 (S. Hess, 1885)

Outlines of comparative anatomy and medical zoology - Allen, Harrison, 1841 -1897 (Lippincott, 1874)

Outlines of comparative anatomy and medical zoology - Allen, Harrison, 1841 -1897 (J.B. Lippincott & co, 1869)

Outlines of comparative physiology : touching the structure and development of the races of animals, living and extinct - Agassiz, Louis, 1807 -1873 (H. G. Bohn, 1851)

Outlines of comparative physiology : touching the structure and development of the races of animals, living and extinct : for the use of schools and colleges - Agassiz, Louis, 1807 -1873 (H.G. Bohn, 1851)

Outlines of comparative physiology : touching the structure and development of the races of animals, living and extinct, for the use of schools and colleges - Agassiz, Louis, 1807 -1873 (Bell & Daldy, 1867)