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 heliceorum viventium : quo continetur nomina omnium hujus familiae generum et specierum hodie cognitarum, disposita ex affinitate naturali / Opus postumum Ludovici Pfeiffer - Clessin, Stephan, 1833 -1911 (Cassellis, 1878)

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 continens nomina systematica generum animalium tam viventium quam fossilium, secundum ordinem alphabeticum disposita, sub auspiciis et sumptibus C. R. Societatis zoologico-botanicae conscriptus a comite Augusto de Marschall - Marschall, August Friedrich, 1804 -1887 (typis C. Ueberreuter (M. Salzer), 1873)

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)

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Notes by a naturalist on the "Challenger", being an account of various observations made during the voyage of H.M.S. "Challenger" around the world, in the years 1872-1876, under the commands of Capt. Sir G. S. Nares and Capt. F. T. Thomson - Moseley, H. N. (Henry Nottidge), 1844 -1891 (Macmillan and co, 1879)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1898)

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Palaeontology - Palaeontological Association (Palaeontological Association, 1976)

Palaeontology - Palaeontological Association (Palaeontological Association, 1978)

Palaeontology - Palaeontological Association (Palaeontological Association, 1979)

Palaeontology - Palaeontological Association (Palaeontological Association, 1980)

Palaeontology - Palaeontological Association (Palaeontological Association, 1981)

Palaeontology - Palaeontological Association (Palaeontological Association, 1982)

Palaeontology - Palaeontological Association (Palaeontological Association, 1983)

Palaeontology - Palaeontological Association (Palaeontological Association, 1984)

Palaeontology - Palaeontological Association (Palaeontological Association, 1985)

Palaeontology - Palaeontological Association (Palaeontological Association, 1988)

Palaeontology - Palaeontological Association (Palaeontological Association, 1991)

Palaeontology - Palaeontological Association (Palaeontological Association, 1992)

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Palaeontology - Palaeontological Association (Palaeontological Association, 1997)

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Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1907)

Die Pflanzenwelt Afrikas, insbesondere seiner tropischen Gebiete : Grundzge der Pflanzenverbreitung im Afrika und die Charakterpflanzen Afrikas - Engler, Adolf, 1844 -1930 (W. Engelman, 1910)

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Plantae quaedam niloticae : quas in itinere cum divo Adalberto libero barone de Barnim facto collegit Robertus Hartmann - Schweinfurth, Georg August, 1836 -1925 (G. Reimer, 1862)

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Plants of the Bahamas, Jamaica and Grand Cayman - Hitchcock, A. S. (Albert Spear), 1865 -1935 (1893)

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Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1989)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1998)

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Preserved ammonitellas of Scaphites (Ammonoidea, Ancyloceratina) - Landman, Neil H. (American Museum of Natural History, 1985)

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Die Preussische expedition nach Ost-Asien : nach amtlichen quellen. Zoologischer Theil - Martens, Eduard von, 1831 -1904 (Verlag der Königlichen geheimen ober-hofbuchdruckerei (R. v. Decker), 1867)

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Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1966)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1974)