Nova acta Regiae Societatis Scientiarum Upsaliensis - Kungl. Vetenskaps-societeten i Uppsala. (Almqvist & Wiksells, 1884)

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)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (Friedrich Frommann, 1860)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (Friedrich Frommann, 1866)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (Friedrich Frommann, 1856)

Nuova notarisia, rassegna consacrata allo studio delle alghe - Toni, Giovanni Battista de, 1864 -1924 (1890)

Nuova notarisia, rassegna consacrata allo studio delle alghe - Toni, Giovanni Battista de, 1864 -1924 (1896)

Nuova notarisia, rassegna consacrata allo studio delle alghe - Toni, Giovanni Battista de, 1864 -1924 (1898)

Nuova notarisia, rassegna consacrata allo studio delle alghe - Toni, Giovanni Battista de, 1864 -1924 (1901)

Nuova notarisia, rassegna consacrata allo studio delle alghe - Toni, Giovanni Battista de, 1864 -1924 (1908)

Nuova notarisia, rassegna consacrata allo studio delle alghe - Toni, Giovanni Battista de, 1864 -1924 (1911)

Nuova notarisia, rassegna consacrata allo studio delle alghe - Toni, Giovanni Battista de, 1864 -1924 (1912)

Nuova notarisia, rassegna consacrata allo studio delle alghe - Toni, Giovanni Battista de, 1864 -1924 (1915)

Nuova notarisia, rassegna consacrata allo studio delle alghe - Toni, Giovanni Battista de, 1864 -1924 (1918)

Nuova notarisia, rassegna consacrata allo studio delle alghe - Toni, Giovanni Battista de, 1864 -1924 (1922)

Nuove alghe del viaggio di circumnavigazione della "Vettor Pisani" : memoria - Piccone, Antonio, 1844 -1901 (Reale Accademia dei Lincei, 1889)

Nuovi annali delle scienze naturali (1840)

Nuovi Saggi della (Cesarea) Regia Accademia di Scienze, Lettere ed Arti di Padova (1831)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1928)

Occasional papers of the Museum of Natural History, the University of Kansas - University of Kansas. Museum of Natural History. (The University, 1989)

L'océan : ses lois et ses problèmes - Thoulet, J. (Julien), 1843 -1936 (Librairie Hachette & co, 1904)

The ocean; a general account of the science of the sea - Murray, John, Sir, 1841 -1914 (Holt, 1913)

Ocean pollution. Hearings, Ninety-third Congress, first session on S. 1067 ... S. 1070 ... [and] S. 1351 ... June 12, 13, and 28, 1973 - United States. Congress. Senate. Committee on Commerce. (U.S. Govt. Print. Off, 1974)

Oceanic birds of South America : a study of species of the related coasts and seas, including the American quadrant of Antarctica, based upon the Brewster-Sanford collection in the American Museum of Natural History - Jaques, Francis Lee, 1887 -1969 (Macmillan Co, 1936)

Oceanography miscellaneous, part 2 : hearings before the Subcommittee on Oceanography of the Committee on Merchant Marine and Fisheries, House of Representatives, Ninety-sixth Congress - United States. Congress. House. Committee on Merchant Marine; Fisheries. (U.S. G.P.O, 1980)

Oceanus - Woods Hole Oceanographic Institution. (Woods Hole Oceanographic Institution, 1976)

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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)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1857)

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

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1888)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1896)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1909)

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Om Beringhafvets algflora - Kjellman, F. R. (Frans Reinhold), 1846 -1907 (Kongl. boktr, 1889)

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 some crustaceans from the Falkland Islands collected by Mr. Rupert Vallentin - Vallentin, Rupert (s.n, 1900)

On some marine Invertebrata dredged or otherwise collected by Dr. G.M. Dawson, in 1885, on the coast of British Columbia; with a supplementary list of a few land and fresh water shells, fishes, birds, etc., from the same region - Whiteaves, Joseph Frederick, 1835 -1909 (Dawson brothers, 1887)

On some marine invertebrata from the Queen Charlotte Islands - Geological Survey of Canada (s.n, 1880)

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)

The opal sea; continued studies in impressions and appearances - Van Dyke, John Charles, 1856 -1932 (C. Scribner's sons, 1906)

Opisthobranch newsletter - Long, Steven J. (S.J. Long, 1969)

Opisthobranch newsletter - Long, Steven J. (S.J. Long, 1981)

Organographie der Pflanzen, insbesondere der Archegoniaten und Samenpflanzen - Goebel, K. (Karl), 1855 -1932 (G. Fischer, 1913)

Die österreichischen Diatomaceen, nebst Anschluss einiger neuen Arten von andern Lokalitäten und einer kritischen Uebersicht der bisher bekannten Gattungen und Arten - Grunow, A. (Albert), 1826 -1914 (1862)

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An outline of plant geography (The Macmillan company, 1926)

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Outlines of classification and special morphology of plants - Goebel, K. (Karl), 1855 -1932 (Clarendon Press, 1887)

Der ozean - Krümmel, Otto, 1854 -1912 (F. Tempsky, 1902)

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Pacific science - University of Hawaii. (University Press of Hawaii, 1964)

Pacific science - University of Hawaii. (University Press of Hawaii, 1966)

Une page d'histoire de la medecine : la thérapeutique sous les premiers Césars - Lépine, R. (Raphael), 1840 -1919 (F. Alcan, 1890)

Die palaeobotanische Literatur : bibliographische Übersicht über die Arbeiten aus dem Gebiete der Palaeobotanik - Jongmans, W. (Willem), 1878 -1957 (Fischer, 1910)

Palaeontographica (Theodor Fischer, 1864)

Palaeontographica (Theodor Fischer, 1871)

Palaeontology - Palaeontological Association (Palaeontological Association, 1965)

Paléontologie végétale cryptogames cellulaires et cryptogames vasculaires - Pelourde, Fernand. (O. Doin, 1914)

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)

Paleontology and geology - Ruedemann, Rudolf, 1864 -1956 (The University of the State of New York, 1942)

Pamphlets on forestry. Fish and game (1900)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1974)

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Papers on Diptera - Melander, A. L. (Axel Leonard), 1878 -1962 (Smithsonian Institution, 1902)

The path of evolution through ancient thought and modern science - Pemberton, Henry, 1826 -1911 (H. Altemus company, 1902)

Patterns and perspectives in environmental science : report prepared for the National Science Board, National Science Foundation - National Science Board (U.S.) (The Board : for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1972)

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)

Peninsula Field Naturalists' Club Newsletter - Peninsula Field Naturalists' Club (Peninsula Field Naturalists' Club, 2023)

Die Pflanzendecke der Erde : populäre Darstellung der Pflanzengeographie für gebildete Naturfreunde - Rudolph, Ludwig, 1813 -1896 (Nicolaische Verlagsbuchhandlung, 1859)

Pflanzenphysiologie; Versuche und Beobachtungen an böheren und niederen Pflanzen einschliesslich Bakteriologie und Hydrobiologie mit Planktonkunde - Kolkwitz, R. (Richard), 1873 -1956 (G. Fischer, 1922)

Pflanzenphysiologie. Versuche und beobachtungen an höheren und niederen pflanzen einschliesslich bakteriologie und hydrobiologie mit planktonkunde - Kolkwitz, R. (Richard), 1873 -1956 (G. Fischer, 1914)

Die Pflanzenvereine der Magellansländer : nebst einem Beitrage zur Ökologie der magellanischen Vegetation - Dusén, P. (Per), 1855 -1926 (Kungl. boktr. P.A. Norstedt, 1903)

Die Pflanzenwelt - Warburg, Otto, 1859 -1938 (Bibliographisches Institut, 1913)

Pharmaceutical botany - Youngken, Heber W. (Heber Wilkinson), 1885 -1963 (P. Blakiston's son & co, 1914)

Pharmaceutical botany - Youngken, Heber W. (Heber Wilkinson), 1885 -1963 (P. Blakiston's Son & Co, 1918)

Pharmaceutical botany; a text-book for students of pharmacy and science - Youngken, Heber W. (Heber Wilkinson), 1885 -1963 (P. Blakiston's son & co, 1920)