The natural history of Juan Fernandez and Easter Island - Skottsberg, Carl, 1880 -1963 (Almqvist & Wiksells Boktryckeri, 1920)

The Natural history of Juan Fernandez and Easter Island - Skottsberg, Carl, 1880 -1963 (Almqvist & Wiksells Boktryckeri, 1956)

The Natural history of Juan Fernandez and Easter Island - Skottsberg, Carl, 1880 -1963 (Almqvist & Wiksells Boktryckeri, 1953)

The natural history of plants - Baillon, H. (Henri), 1827 -1895 (L. Reeve & co, 1871)

The natural history of plants - Baillon, H. (Henri), 1827 -1895 (L. Reeve & co, 1880)

The naturalisation of animals & plants in New Zealand - Thomson, George Malcolm 1848 -1933 (University Press, 1922)

The naturalisation of animals & plants in New Zealand - Thomson, George Malcolm 1848 -1933 (The University Press, 1922)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1978)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1989)

Il Naturalista siciliano : organo della Società siciliana di scienze naturali - Società siciliana di scienze naturali. (Tip. Luxograph [etc.], 1905)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1908)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1910)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1911)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1913)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1914)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1923)

Nature in Avon - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1991)

Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet - Engler, Adolf, 1844 -1930 (W. Engelmann, 1887)

Die Naturwissenschaften - Gesellschaft Deutscher Naturforscher und Ärzte. (Springer-Verlag, 1913)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1894)

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

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1893)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1903)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1905)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1922)

New Plant introductions - United States. Office of foreign seed; plant introduction. (1912)

The New Zealand journal of science and technology - New Zealand. Board of Science; Art. (New Zealand Board of Science and Art, 1918)

New Zealand nature notes. Short sketches of the geology, botany, zoology, and ethnology of New Zealand (with notes on engineering-works) for the use of members of the Australasian Association for the Advancement of Science, Wellington Meeting, January, 1923 - Australasian Association for the Advancement of Science. (W.Z.G. Skinner, Govt. Print, 1922)

New Zealand plants and their story - Cockayne, L. (Leonard), 1855 -1934 (M.F. Marks, Govt. Printer, 1919)

New Zealand plants and their story - Cockayne, L. (Leonard), 1855 -1934 (J. Mackay, government printer, 1910)

New Zealand plants suitable for North American gardens - Cockayne, L. (Leonard), 1855 -1934 (J. Mackay, Government Printer, 1914)

New Zealand pollen studies : the monocotyledons : a comparative account - Auckland Institute; Museum. (Harvard University Press for Auckland Institute and Museum, 1953)

Newsletter - Hawaiian Botanical Society - Hawaiian Botanical Society. (The Society, 1964)

Newsletter - Hawaiian Botanical Society - Hawaiian Botanical Society. (The Society, 1965)

Newsletter - Hawaiian Botanical Society - Hawaiian Botanical Society. (The Society, 1967)

Newsletter - Hawaiian Botanical Society - Hawaiian Botanical Society. (The Society, 1970)

Newsletter - Hawaiian Botanical Society - Hawaiian Botanical Society. (The Society, 1971)

Newsletter - Hawaiian Botanical Society - Hawaiian Botanical Society. (The Society, 1979)

Newsletter - Harvard University. Museum of Comparative Zoology. (The Museum, 1963)

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)

Nomenclature of plants; a text for the application by the case method of the International code of botanical nomenclature - St. John, Harold, 1892 -1991 (Ronald Press Co, 1958)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2009)

North American trees : being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies - Britton, Nathaniel Lord, 1859 -1934 (H. Holt and Co, 1908)

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 Queensland Naturalist : the journal and magazine of the North Queensland Naturalist Club - North Queensland Naturalists' Club. (The Club, 1965)

The North Queensland Naturalist : the journal and magazine of the North Queensland Naturalist Club - North Queensland Naturalists' Club. (The Club, 1971)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2001)

Notes on the habits of some Argentine and Peruvian woodpeckers (Aves, Picidae) - Short, Lester L. (American Museum of Natural History, 1970)

Nothofagus Cunninghamii (Southern Beech) vegetation in Australia - Busby, John R (Australian Government Publishing Service, 1984)

Novon a journal of botanical nomenclature from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 2002)

Nuytsia: journal of the Western Australian Herbarium - Western Australia. Department of Agriculture (Department of Biodiversity, Conservation and Attractions, 2012)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1975)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1986)

Occasional papers of the Farlow Herbarium of Cryptogamic Botany - Farlow Reference Library; Herbarium. (Harvard University, Farlow Herbarium of Cryptogamic Botany, 1972)

Occasional papers of the Museum of Natural History, the University of Kansas - University of Kansas. Museum of Natural History. (The University, 1977)

Occasional papers of the Museum of Natural History, the University of Kansas - University of Kansas. Museum of Natural History. (The University, 1988)

Occasional papers of the Museum of Natural History, the University of Kansas - University of Kansas. Museum of Natural History. (The University, 1992)

Occasional papers of the Museum of Natural History, the University of Kansas - University of Kansas. Museum of Natural History. (The University, 1993)

Occasional papers of the Museum of Natural History, the University of Kansas - University of Kansas. Museum of Natural History. (The University, 1994)

Oecology of plants : an introduction to the study of plant-communities - Vahl, M. (Martin), 1749 -1804 (Clarendon Press, 1909)

Oecology of plants : an introduction to the study of plant-communities - Warming, Eugenius, 1841 -1924 (Clarendon Press, 1909)

Oecology of plants; an introduction to the study of plant-communities - Balfour, Isaac Bayley, 1853 -1922 (Clarendon Press, 1909)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1900)

Oligocene marsupials of the Geilston Bay local fauna, Tasmania - Tedford, Richard H. (American Museum of Natural History, 1998)

Opuscula philolichenum (J. Lendemer, 2006)

Opuscula philolichenum (J. Lendemer, 2013)

Opuscula philolichenum (J. Lendemer, 2015)

Opuscula philolichenum (J. Lendemer, 2020)

The Orchadian - Australasian Native Orchid Society (The Society, 1968)

The Orchadian - Australasian Native Orchid Society (The Society, 1973)

The Orchadian - Australasian Native Orchid Society (The Society, 1977)

The Orchadian - Australasian Native Orchid Society (The Society, 1963)

The Orchadian - Australasian Native Orchid Society (The Society, 1978)

The Orchadian - Australasian Native Orchid Society (The Society, 1979)

The Orchadian - Australasian Native Orchid Society (The Society, 1980)