Proceedings of the Cotteswold Naturalists' Field Club - Cotteswold Naturalists' Field Club. (1915)

Proceedings of the Cotteswold Naturalists' Field Club - Cotteswold Naturalists' Field Club. (1918)

Proceedings of the Geological and Polytechnic Society of the West Riding of Yorkshire - Geological; Polytechnic Society of the West Riding of Yorkshire. ([Geological and Polytechnic Society of the West Riding of Yorkshire], 1871)

Proceedings of the Geological Society of London - Geological Society of America. (The Society, 1842)

Proceedings of the Geological Society of London - Geological Society of America. (The Society, 1845)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1915)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1848)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1898)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1899)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1901)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1902)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1905)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1907)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1908)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1910)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1912)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1913)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1922)

Proceedings of the Natural history society of Dublin for the session ... - Natural History Society of Dublin. (Printed for the Society, 1856)

Proceedings of the Natural History Society of Glasgow - Natural History Society of Glasgow. (Natural History Society of Glasgow, 1858)

Proceedings of the Perthshire Society of Natural Science - Perthshire Society of Natural Science. (1870)

Proceedings of the Perthshire Society of Natural Science - Perthshire Society of Natural Science. (1880)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1884)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1896)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1911)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1912)

Proceedings of the Royal Physical Society of Edinburgh - Royal Physical Society of Edinburgh. (The Society, 1867)

Proceedings of the Royal Physical Society of Edinburgh - Royal Physical Society of Edinburgh. (The Society, 1888)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1903)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1862)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1897)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1899)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1901)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1906)

Proceedings of the Yorkshire Geological Society - Yorkshire Geological Society. (Yorkshire Geological Society, 1906)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1853)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1856)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1848)

Quarterly journal of conchology (D. Bogue, 1874)

Quarterly journal of conchology (D. Bogue, 1875)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1894)

The Quarterly journal of science (J. Churchill and Sons, etc, 1878)

Quarterly Journal of Science, Literature and the Arts - Royal Institution of Great Britain. (1823)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1845)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1850)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1852)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1853)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1854)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1855)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1859)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1860)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1861)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1862)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1864)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1866)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1867)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1871)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1877)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1889)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1890)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1891)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1892)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1894)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1895)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1896)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1897)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1912)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1919)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1923)

Raboty Volzhskoĭ biologicheskoĭ stant͡sii = Arbeiten der Biologischen Wolga-Station - Volzhskai͡a biologicheskai͡a stant͡sii͡a (Stant͡sii͡a, 1926)

Rambles in search of shells, land, and freshwater - Harting, James Edmund, 1841 -1928 (John Van Voorst, 1875)

Reading Naturalist. Reading - Reading Natural History Society.

Recherches sur la circulation des lamellibranches marins - Menegaux, Auguste, 1857 -1937 (Impr. et lithographie de J. Dodivers, 1890)

Recherches sur les organes palléaux des Gastéropodes Prosobranches - Bernard, Félix, 1863 -1898 (G. Masson, 1890)

The Record of zoological literature (J. van Voorst, 1867)

The Record of zoological literature (J. van Voorst, 1869)

Reise in den äussersten Norden und Osten Sibiriens während der Jahre 1843 und 1844 mit Allerhöchster Genehmigung auf Veranstaltung der Kaiserlichen Akademie der Wissenschaften zu St. Petersburg ausgeführt und in Verbindung mit vielen Gelehrten - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Buchdr. der K. Akademie der Wissenschaften : Zu haben bei Eggers, 1851)

Reisen und Forschungen im Amur-Lande in den Jahren 1854-1856 - Schrenck, Leopold von, 1826 -1894 (Commissionäre der K. Akademie der Wissenschaften, 1859)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1893)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1892)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1901)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1906)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1911)

Report and Transactions of the Glasgow Society of Field Naturalists - Glasgow Society of Field Naturalists. (Glasgow Society of Field Naturalists, 1873)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1843)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1851)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1856)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1889)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1895)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1896)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1926)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1935)

Report of the Harrow School Scientific Society - Harrow School Scientific Society. (1866)

Report of the South London Entomological Society - South London Entomological Society. (1879)

Report on the present state of our knowledge with regard to the Mollusca of the west coast of North America - Carpenter, Philip P. (Philip Pearsall), 1819 -1877 (Taylor and Francis, 1857)

Report / Warwickshire Natural History & Archaeological Society - Warwickshire Natural History; Archaeological Society. (1873)

Reports and transactions - Cardiff Naturalists' Society. (1893)

Reports on the progress of zoology and botany, 1841, 1842 - Link, Heinrich Friedrich, 1767 -1851 (Printed for the Ray Society, 1845)

Resultate der Wissenschaftlichen Erforschung des Balatonsees - Hungary. Földmm̋uvelésügyi Minisztérium. (E. Hölzel, 1897)