The poetry of science; or, Studies of the physical phenomena of nature - Hunt, Robert, 1807 -1887 (Bohn, 1854)

The polar world a popular description of man and nature in the Arctic and Antarctic regions of the globe - Hartwig, G. (Georg), 1813 -1880 (Longmans, Green, 1892)

A popular California flora : or, Manual of botany for beginners with illustrated introductory lessons, especially adapted to the Pacific Coast ; to which is added an analytical key to west coast botany, containing brief descriptions of over 1600 species of Pacific Coast plants - Rattan, Volney, 1840 -1915 (Whitaker & Ray, 1896)

A popular California flora : or, manual of botany for beginners ... : to which is added an Analytical key to west coast botany ... - Rattan, Volney, 1840 -1915 (Bancroft, 1892)

A popular California flora, or, Manual of botany for beginners. Containing descriptions of flowering plants growing in central California, and westward to the ocean. With illustrated introductory lessons, especially adapted to the Pacific coast - Rattan, Volney, 1840 -1915 (A.L. Bancroft, 1883)

A popular California flora, or, Manual of botany for beginners. With illustrated introductory lessons, especially adapted to the Pacific Coast. To which is added an Analytical key to west coast botany. Containing brief descriptions of over 1600 species of Pacific Coast plants - Rattan, Volney, 1840 -1915 (The Whitaker & Ray Co, 1896)

A popular California flora, or, Manual of botany for beginners : with illustrated introductory lessons, especially adapted to the Pacific Coast : to which is added an analytical key to West Coast botany, containing brief descriptions of over 1600 species of Pacific Coast plants - Rattan, Volney, 1840 -1915 (Bancroft, 1888)

A popular California flora, or, Manual of botany for beginners : with illustrated introductory lessons especially adapted to the Pacific coast : to which is added an analytical key to West Coast botany, containing brief descriptions of over 1600 species of Pacific coast plants - Rattan, Volney, 1840 -1915 (Bancroft, 1887)

A popular California flora : or, manual of botany for beginners ... : to which is added an analytical key to West Coast botany ... - Rattan, Volney, 1840 -1915 (Bancroft, 1888)

A popular California flora, or Manual of botany for beginners. Containing descriptions of flowering plants growing in central California, and westward to the ocean. With illustrated introductory lessons, especially adapted to the Pacific coast - Rattan, Volney, 1840 -1915 (A.L. Bancroft, 1882)

A popular California flora, or, Manual of botany for beginners. Containing descriptions of flowering plants growing in central California, and westward to the ocean. With illustrated introductory lessons - Rattan, Volney, 1840 -1915 (A.L. Bancroft, 1880)

A popular California flora, or, Manual of botany for beginners. Containing descriptions of flowering plants growing in central California, and westward to the ocean - Rattan, Volney, 1840 -1915 (A.L. Bancroft and Company, 1885)

A popular California flora, or, Manual of botany for beginners - Rattan, Volney, 1840 -1915 (A.L. Bancroft and company, 1880)

The Popular educator: a complete encyclopaedia of elementary, advanced and technical education (Cassell, 1888)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1894)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1872)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1896)

The potential and current vegetation of the Sun River Game Range - Montana. Department of Fish, Wildlife,; Parks (Montana Dept. of Fish, Wildlife and Parks, 1980)

The practical poultry keeper - Wright, Lewis, 1838 -1905 (Cassell and Co, 1899)

A preliminary list of the birds of Wayne County, Ohio - Oberholser, Harry C. (Harry Church), 1870 -1963 (Westbote Co., State Printers, 1896)

A preliminary review of the birds of Nebraska : with synopses - Wolcott, Robert Henry, 1868 -1934 (Klopp & Bartlett Co, 1904)

Principles of animal ecology - Allee, W. C. (Warder Clyde), 1885 -1955 (Saunders Co, 1949)

Proceedings - Dorset Natural History; Archaeological Society.

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Proceedings - Dorset Natural History and Archaeological Society - Dorset Natural History; Archaeological Society. (1877)

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Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1907)

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Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1999)

Proceedings of the Canadian Institute - Glenny, George, 1793 -1874 (Canadian Institute, 1885)

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Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1954)

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Proceedings of the section of sciences - Koninklijke Akademie van Wetenschappen (Netherlands) (Johannes Müller, 1904)

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Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1889)

Proceedings of the Washington Academy of Sciences - Washington Academy of Sciences (Washington, D.C.) (Washington Academy of Sciences, 1907)

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pu tong zi ran di li 普通自然地理 - Demʹi︠a︡nov, V. N. (di zhi chu ban she 地质出版社, 1958)

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qi xiang ji lu nian bao:yi jiu wu yi nian wu yue 气象纪录月报:一九五一年五月 - Zhongguo ren ming ge ming jun shi wei yuan hui qi xiang ju 中国人民革命军事委员会气象局 (zhong guo ren ming ge ming jun shi wei yuan hui qi xiang ju 中国人民革命军事委员会气象局, 1951)

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Queen Anne's county - Maryland Geological Survey. (The Johns Hopkins press, 1926)

Rambles in search of wild flowers, and how to distinguish them - Plues, Margaret (Journal of horticulture and cottage gardener, 1864)

Range and pasture management - Sampson, Arthur W. (Arthur William), 1884 -1967 (John Wiley, 1923)

Range preservation and its relation to erosion control on western grazing lands - Sampson, Arthur W. (Arthur William), 1884 -1967 (U.S. Dept. of Agriculture, 1918)

Révision des champignons, tant supérieurs qu'inférieurs trouvés jusqu'à ce jour dans les Pays-Bas - Oudemans, C. A. J. A. (Cornelis Antoon Jan Abraham), 1825 -1906 (J. Mller, 1892)

Recherche curieuse d'antiquités : venuës d'Italie, de la Grece, d'Égypte, & trouvées à Nimegue, à Santen, au Château de Wiltenburg proche d'Utrecht, dans le Château de Britten proche de Leyde, & à Tongres : contenant plusieurs bas-reliefs, statues de marbre & de bronze : inscriptions antiques, couloirs, talismans, lampes, cuillers, ... que l'on voit dans la chambre de raretez de la ville d'Utrecht ... avec sa description : le tout mis en ordre - Hooghe, Romeyn de, 1645 -1708 (Chès Nicolas Chevalier, 1709)

Record of decision and approved Rawlins resource management plan for public lands administered by the Bureau of Land Management, Rawlins Field Office, Rawlins, Wyoming - United States. Bureau of Land Management. (U.S. Dept. of the Interior, Bureau of Land Management, Rawlins Field Office, 2008)

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Records of the Queen Victoria Museum Launceston - Queen Victoria Museum (Launceston, Tas.) (The Museum, 1974)

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Recueil de mémoires et autres pièces de prose et de vers : qui ont été lus dans les séances de la Société des amis des sciences, des lettres, de l'agriculture et des arts, à Aix - Société des amis des sciences, des lettres, de l'agriculture et des arts (Aix-en-Provence, France) (Augustin Pontier, 1823)

Recueil de mémoires et autres pièces de prose et de vers : qui ont été lus dans les séances de la Société des amis des sciences, des lettres, de l'agriculture et des arts, à Aix - Société des amis des sciences, des lettres, de l'agriculture et des arts (Aix-en-Provence, France) (Augustin Pontier, 1827)

Recueil des Actes de la Séance Publique de l'Académie Imperiale des Sciences de St.Petersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (1828)

Recueil des Actes de la Séance Publique de l'Académie Imperiale des Sciences de St.Petersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (1833)

Recueil des Actes de la Séance Publique de l'Académie Imperiale des Sciences de St.Petersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (1838)

Recueil des Actes de la Séance Publique de l'Académie Imperiale des Sciences de St.Petersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (1844)

Reise der österreichischen Fregatte Novara um die Erde in den Jahren 1857, 1858, 1859 unter den Befehlen des Commodore B. von Wüllerstorf-Urbair - Österreichische Akademie der Wissenschaften. (Kaiserlich-Königliche Hof- und Staatsdruckerei; in Commission bei K. Gerold's Sohn, 1864)

Reise der österreichischen Fregatte Novara um die Erde in den Jahren 1857, 1858, 1859 unter den Befehlen des Commodore B. von Wüllerstorf-Urbair - Österreichische Akademie der Wissenschaften. (Kaiserlich-Königliche Hof- und Staatsdruckerei; in Commission bei K. Gerold's Sohn, 1868)

Reise in die aequinoctial-gegenden des neuen Continents in den Jahren 1799, 1800, 1801, 1803 und 1804 - Humboldt, Alexander von, 1769 -1859 (J.G. Cotta, 1815)

Reise, nach den spanischen Ländern in Europa und America in den Jahren 1751-bis 1756, nebst Beobachtungen und Anmerkungen über die merkwürdigen Genwächse - Linné, Carl von, 1707 -1778 (G. A. Lange, 1766)

Reisen in der regentschaft Algier in den jahren 1836, 1837 und 1838 - Wagner, Moritz, 1813 -1887 (Leopold Voss, 1841)

Reisen in Europa, Asien, und Afrika : mit besonderer Rücksicht auf die naturwissenschaftlichen Verhältnisse der betreffenden Länder ; unternommen in den Jahren 1835 bis 1841 - Russegger, Joseph. (E. Schweizerbart'sche Verlagshandlung, 1844)

Reisen und Forschungen im Amur-Lande in den Jahren 1854-1856 - Schrenck, Leopold von, 1826 -1894 (Commissionäre der K. Akademie der Wissenschaften, 1881)

Reisen und Forschungen im Amur-Lande in den Jahren 1854-1856 - Schrenck, Leopold von, 1826 -1894 (Commissionäre der K. Akademie der Wissenschaften, 1891)

Remarks on synonyms of European spiders - Thorell, T. (Tord), 1830 -1901 (C.J. Lundström, 1870)

Rendiconti - Reale Accademia dei Lincei (l'Accademia, 1885)

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Rendiconto delle adunanze e de' lavori dell'Accademia delle Scienze sezione della Società Reale Borbonica di Napoli - Accademia delle Scienze di Napoli (Società Reale Borbonica, 1843)

Repertorio bibliografico delle pubblicazioni della R. Accademia del scienze di Torino - Accademia delle scienze di Torino (G.B. Paravia, 1883)

Repertorium annuum literaturae botanicae periodicae - Bemmelen, J. A. van. (Erven Loosjes, 1873)

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1846)