Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1915)

Neue allgemeine deutsche Garten- und Blumenzeitung - Mettler, Rudolph. (G. Heubel's Buch- und Kunsthandlung, 1847)

Neue allgemeine deutsche Garten- und Blumenzeitung - Mettler, Rudolph. (G. Heubel's Buch- und Kunsthandlung, 1849)

Neue allgemeine deutsche Garten- und Blumenzeitung - Mettler, Rudolph. (G. Heubel's Buch- und Kunsthandlung, 1850)

Neue Notizen aus dem Gebiete der Natur- und Heilkunde - Froriep, Robert, 1804 -1861 (In Commission des Landes- Industrie- Comptoirs zu Weimar, 1837)

Neues allgemeines Garten-Magazin - Bernhardi, Johann Jacob, 1774 -1850 (Im Verlage der Grossherzogl. Sachs. priv. Landes-Industrie-Comptoirs, 1825)

Neues allgemeines Garten-Magazin - Bernhardi, Johann Jacob, 1774 -1850 (Im Verlage der Grossherzogl. Sachs. priv. Landes-Industrie-Comptoirs, 1826)

Neues allgemeines Garten-Magazin - Bernhardi, Johann Jacob, 1774 -1850 (Im Verlage der Grossherzogl. Sachs. priv. Landes-Industrie-Comptoirs, 1828)

New or choice orchids - William Rollisson; Sons (Firm) (William Rollisson & Sons, 1876)

New plants sent out for the first time by the Company in 1883 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Compagnie continentale d'horticulture, 1883)

New, rare, and beautiful orchids of Costa Rica, and how they grow at home - Pfau, Ricardo. (1895)

New, rare and beautiful plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Siebrecht & Son, 1900)

New rare and beautiful plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rose Hill Nurseries, 1897)

New, rare, showy and useful orchids - Sander, F. 1847 -1920 (F. Sander & Co, 1890)

New Zealand journal of science (1884)

News of spring and other nature studies - Maeterlinck, Maurice, 1862 -1949 (Dodd, Mead, 1917)

Nomenclator botanicus hortensis : oder, alphabetische und synonymische aufzählung der in den gärten Europa's cultivirten gewächse, nebst angabe ihres autors, ihres vaterlandes, ihrer dauer und cultur - Heynhold, Gustav, 1800 -approximately 1860 (Arnoldischen Buchhandlung, 1840)

Nomenclator botanicus hortensis : oder, alphabetische und synonymische aufzählung der in den gärten Europa's cultivirten gewächse, nebst angabe ihres autors, ihres vaterlandes, ihrer dauer und cultur - Heynhold, Gustav, 1800 -approximately 1860 (Arnoldischen Buchhandlung, 1846)

Nomenclator botanicus. Nominum ad finem anni 1858 publici juris factorum, classes, ordines, tribus, familias, divisiones, genera, subgenera vel sectiones designatium enumeratio alphabetica. Adjectis auctoribus, temporibus, locis systematicis, apud varios, notis literariis atque etymologicis et synonymis - Pfeiffer, Louis (Ludwig Georg Karl), 1805 -1877 (Sumptibus T. Fischeri, 1873)

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)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1915)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1916)

Nouveaux éléments d'histoire naturelle médicale : comprenant des notions générales sur la minéralogie, la zoologie et la botanique, l'histoire et les propriétés des animaux et des végétaux utiles ou nuisibles à l'homme, soit par eux-mèmes, soit par leurs produits - Cauvet, D. (Désiré), 1827 -1890 (J.B. Baillière, 1877)

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. (1842)

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, 1992)

The nursery-manual; a complete guide to the multiplication of plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1920)

Oakes Ames Orchid Herbarium correspondence files - Ames, Oakes, 1874 -1950 (1931)

Oakes Ames Orchid Herbarium correspondence files - Ames, Oakes, 1874 -1950 (1921)

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

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 2009)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1886)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1894)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1907)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1908)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1910)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1915)

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

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

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

Official guide to the museums of economic botany. No. 2, Monocotyledons and cryptogams (Printed for H.M. Stationary Off. by Eyre and Spottiswoode, 1895)

Om anordningarna för de fanerogama växternas befruktning - Axell, Severin, 1842 -1892 (I. Haeggströms boktr, 1869)

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 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 and Co, 1875)

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

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

On molecular and microscopic science - Somerville, Mary Fairfax, 1780 -1872 (J. Murray, 1869)

On molecular and microscopic science - Somerville, Mary, 1780 -1872 (J. Murray, 1869)

On the genesis of species - Mivart, St. George Jackson, 1827 -1900 (Macmillan & Co, 1871)

On the genesis of species - Mivart, St. George Jackson, 1827 -1900 (D. Appleton, 1871)

On the genesis of species - Mivart, St. George Jackson, 1827 -1900 (Macmillan, 1871)

On the genesis of species - Mivart, St. George Jackson, 1827 -1900 (D. Appleton and company, 1871)

On the origin of species - Darwin, Charles, 1809 -1882 (D. Appleton and Co, 1871)

On the origin of species by means of natural selection, or, The preservation of favoured races in the struggle for life - Darwin, Charles, 1809 -1882 (Henry Frowde, 1907)

On the origin of species by means of natural selection; or, The preservation of favoured races in the struggle for life - Darwin, Charles, 1809 -1882 (D. Appleton and Co, 1860)

On the origin of species by means of natural selection, or, The preservation of favoured races in the struggle for life - Darwin, Charles, 1809 -1882 (John Murray, Albemarle Street, 1859)

On the origin of species by means of natural selection, or, The preservation of favoured races in the struggle for life - Darwin, Charles, 1809 -1882 (John Murray, 1860)

On the origin of species by means of natural selection, or, The preservation of favoured races in the struggle for life - Darwin, Charles, 1809 -1882 (John Murray, 1859)

On the origin of species by the means of natural selection, or, The preservation of favoured races in the struggle for life - Darwin, Charles, 1809 -1882 (Odhams Press, 1872)

Orchid album :comprising coloured figures and descriptions of new, rare and beautiful orchidaceous plants (B. S. Williams, 1883)

Orchid album :comprising coloured figures and descriptions of new, rare and beautiful orchidaceous plants (B. S. Williams, 1885)

Orchid album :comprising coloured figures and descriptions of new, rare and beautiful orchidaceous plants (B. S. Williams, 1888)

Orchid album :comprising coloured figures and descriptions of new, rare and beautiful orchidaceous plants (B. S. Williams, 1889)

Orchid album :comprising coloured figures and descriptions of new, rare and beautiful orchidaceous plants (B. S. Williams, 1893)