Proceedings of the International Ornithological Congress (Australian Academy of Science [etc.], 1955)

Proceedings of the International Ornithological Congress (Australian Academy of Science [etc.], 1960)

Proceedings of the International Ornithological Congress (Australian Academy of Science [etc.], 1962)

Proceedings of the International Ornithological Congress (Australian Academy of Science [etc.], 1980)

Proceedings of the International Ornithological Congress (Australian Academy of Science [etc.], 1982)

Proceedings of the International Ornithological Congress (Australian Academy of Science [etc.], 1991)

Proceedings of the Natural History Society of Glasgow - Natural History Society of Glasgow. (Natural History Society of Glasgow, 1875)

Proceedings of the Natural History Society of Glasgow - Natural History Society of Glasgow. (Natural History Society of Glasgow, 1878)

Proceedings of the Natural History Society of Glasgow - Natural History Society of Glasgow. (Natural History Society of Glasgow, 1880)

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

Proceedings of the Royal Physical Society of Edinburgh - Royal Physical Society of Edinburgh. (The Society, 1878)

Proceedings of the Royal Physical Society of Edinburgh - Royal Physical Society of Edinburgh. (The Society, 1881)

Proceedings of the Royal Physical Society of Edinburgh - Royal Physical Society of Edinburgh. (The Society, 1892)

Proceedings of the Royal Physical Society of Edinburgh - Royal Physical Society of Edinburgh. (The Society, 1909)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1857)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1862)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1880)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1886)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1836)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1839)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1857)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1868)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1870)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1871)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1876)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1880)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1887)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1889)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1895)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1898)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1899)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1901)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1921)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1891)

Procès-verbaux - Société Linnéenne de Bordeaux. (1960)

Ptaki - Lemberg. Muzeum imienia Dzieduszyckich. (Z I Zwiazkowij drukarni, 1880)

Quarterly Magazine of the High Wycombe Natural History Society - High Wycombe Natural History Society. (1866)

Raboty Volzhskoĭ biologicheskoĭ stant͡sii = Arbeiten der Biologischen Wolga-Station - Volzhskai͡a biologicheskai͡a stant͡sii͡a (Stant͡sii͡a, 1906)

Raboty Volzhskoĭ biologicheskoĭ stant͡sii = Arbeiten der Biologischen Wolga-Station - Volzhskai͡a biologicheskai͡a stant͡sii͡a (Stant͡sii͡a, 1908)

Rambles of a naturalist in Egypt & other countries. With an analysis of the claims of certain foreign birds to be considered British, and other ornithological notes - Gurney, J. H. (John Henry), 1848 -1922 (Jarrold, 1876)

Rambles of a naturalist in Egypt & other countries : with an analysis of the claims of certain foreign birds to be considered British, and other ornithological notes - Gurney, J. H. (John Henry), 1848 -1922 (Jarrold, 1876)

Rapport a M. le Ministre de l'instruction publique et des Beaux-Arts sur le congrès et l'exposition ornithologiques de Vienne, en 1884 - Congrès et l'exposition ornithologiques Vienna) 1884 - (Burlin et Cie, 1884)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Chez Déterville, 1829)

Reading Naturalist. Reading - Reading Natural History Society.

Recensio avium in academici liberi baronis de Mueller ornithologico museo stuttgardiano collectarum - Calwer, C. G. (Carl Gustav), 1821 -1874 (Officinae Regiae, 1854)

Recherches sur la glande uropygienne des oiseaux - Paris, Paul, 1875 -1938. (Librairie A. Schulz, 1913)

Record of Proceedings / Cleveland Naturalists' Field Club - Cleveland Naturalists' Field Club. (1899)

The Record of zoological literature (J. van Voorst, 1864)

The Record of zoological literature (J. van Voorst, 1868)

Recreative Science (1860)

Le règne animal distribué d'après son organisation : pour servir de base a l'histoire naturelle des animaux et d'introduction a l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Chez Déterville, 1817)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Louis Hauman et Comp, 1836)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Audouin, Jean Victor, 1797 -1841 (Fortin, Masson et cie, 1836)

Reisen im Süden von Ost-Sibirien in den Jahren 1855-1859, incl - Geograficheskoe obshchestvo SSSR (Buchdruckerei der K. Akademie der Wissenschaften, 1863)

Remarks on the Ornithology of Northern Norway - Collett, Robert, 1842 -1913 ([s.n.], 1872)

Report & transactions - Birmingham Natural History; Microscopical Society (Birmingham, England) (Herald Press)

Report and Proceedings of the Belfast Natural History and Philosophical Society - Belfast Natural History; Philosophical Society. (1917)

Report / Bury Natural History Society - Bury Natural History Society. (Bury Natural History Society, 1872)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1845)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1850)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1903)

Report of the Chester Society of Natural Science, Literature and Art - Chester Society of Natural Science Literature; Art. (1886)

Report of the (Free) Public Library, Museum (Liverpool) - Liverpool (England). Free Public Library. Museum (1905)

Report of the Leeds Philosophical & Literary Society - Leeds Philosophical; Literary Society.

Report on the migration of birds - Harvie-Brown, J. A. (John Alexander), 1844 -1916 (1880)

Report on the migration of birds - Harvie-Brown, J. A. (John Alexander), 1844 -1916 (1881)

Report on the migration of birds - Harvie-Brown, J. A. (John Alexander), 1844 -1916 (1883)

Report on the migration of birds - Harvie-Brown, J. A. (John Alexander), 1844 -1916 (1884)

Report on the migration of birds - Harvie-Brown, J. A. (John Alexander), 1844 -1916 (1885)

Report on the migration of birds - Harvie-Brown, J. A. (John Alexander), 1844 -1916 (1886)

Report on the migration of birds - Harvie-Brown, J. A. (John Alexander), 1844 -1916 (1887)

Report on the migration of birds in the spring and autumn of 1885 - Harvie-Brown, J. A. (John Alexander), 1844 -1916 (M' Farlane and Erskine, 1885)

Reports and transactions - Cardiff Naturalists' Society.

Reptiles and birds. A popular account of the various orders; with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (D. Appleton and Co, 1873)

Reptiles and birds : a popular account of their various orders, with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (Cassell, Petter, Galpin)

Reptiles and birds : a popular account of their various orders, with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (Cassell & Co, 1883)

Resa genom Umeå Lappmarker i Vesterbottens län : förrättad år 1832 - Zetterstedt, Johan Wilhelm, 1785 -1874 (N.M. Lindh, 1833)

Researches in zoology, illustrative of the structure, habits, and economy of animals - Blackwall, John, 1790 -1881 (John Van Voorst, 1873)

Revised list of the vertebrated animals now or lately living in the gardens of the Zoological society of London. 1872 - Sclater, Philip Lutley, 1829 -1913 (Printed for the Society, 1872)

Revista de los Progresos de las Ciencias Exactas Fisicas y Naturales - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Real Academia de Ciencias Exactas, Físicas y Naturales, 1861)

Revue critique de l'Ornithologie Européenne de M. De Selys Longchamps - Bonaparte, Charles-Lucien, 1803 -1857 (1850)

Revue critique des oiseaux d'Europe - Schlegel, H. (Hermann), 1804 -1884 (A. Arnz et comp.; [etc., etc.], 1844)

Revue des sciences naturelles appliquées - Société nationale d'acclimatation de France (La Société, 1889)

Revue des sciences naturelles appliquées - Société nationale d'acclimatation de France (La Société, 1892)

Revue des sciences naturelles de l'ouest - Institut international de bibliographie scientifique. (Revue des sciences naturelles de l'ouest, 1893)

Revue et magasin de zoologie pure et appliquée - Société Cuvierienne. (Bureau de la Revue et Magasin de Zoologie, 1854)

Revue et magasin de zoologie pure et appliquée - Société Cuvierienne. (Bureau de la Revue et Magasin de Zoologie, 1864)

Revue et magasin de zoologie pure et appliquée - Société Cuvierienne. (Bureau de la Revue et Magasin de Zoologie, 1866)

Revue française d'ornithologie - Société ornithologique et mammalogique de France. (L. Denise, 1909)

Revue française d'ornithologie - Société ornithologique et mammalogique de France. (L. Denise, 1911)

Revue française d'ornithologie - Société ornithologique et mammalogique de France. (L. Denise, 1915)

Revue française d'ornithologie - Société ornithologique et mammalogique de France. (L. Denise, 1919)

Revue internationale des sciences (O. Doin, 1878)

Revue méthodique et critique des collections déposées dans cet établissement - Rijksmuseum van Natuurlijke Historie te Leiden. (Rijksmuseum van Natuurlijke Historie, 1898)

Revue scientifique du Bourbonnais et du centre de la France - Olivier, Ernest, 1844 -1914 (Impr. É. Auclaire, 1908)

La Revue scientifique du Limousin - Le Gendre, Charles. (Impr.-Librairie Ve. H. Ducourtieux, 1920)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1954)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1971)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1978)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1993)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1999)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 2007)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 2010)

Rhea - Thienemann, Friedrich August Ludwig, 1793 -1858 (F.A. Brockhaus, 1846)

Rivista italiana di ornitologia - Museo civico di storia naturale di Milano. (Società italiana di scienze naturali, 1911)

Rivista italiana di ornitologia - Museo civico di storia naturale di Milano. (Società italiana di scienze naturali, 1913)

Rivista italiana di ornitologia - Museo civico di storia naturale di Milano. (Società italiana di scienze naturali, 1918)

Rivista italiana di ornitologia - Museo civico di storia naturale di Milano. (Società italiana di scienze naturali, 1914)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1892)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1896)

The romance of bird life : being an account of the education, courtship, sport and play, journeys, fishing, fighting, piracy, domestic and social habits, instinct, strange friendships and other interesting aspects of the life of birds - Lea, John. (Seeley & Co, 1909)

Rough notes on the Birds observed during twenty-five years shooting and collecting in the British Islands - Booth, Edward Thomas, 1840 -1890 (1881)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1914)

Rural bird life : being essays on ornithology with instructions for preserving objects relating to that science - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1880)

Rural bird life of England : being essays on ornithology, with instructions for preserving objects relating to that science - Coues, Elliott, 1842 -1899 (Werner Co, 1899)

Salzburgische Flora : oder Beschreilbung der in dem erzstifte Salzburg wildwachsenden Pflanzen, nebst Angabe ihrer Wohnorte, Blühezeiten, Dauer, Gestalt &c. iher Anwendbarkeit in der Heilkunde und Haushaltungswissenschaft, und ihrem Nutzen für Mahler, Färber, Gärber, Bienenzieher, Förster und Landwirthe - Braune, Franz Anton Alexander von, 1766 -1853 (Im Verlage der Mayr'schen Buchhandlung, 1797)

Die Sammlungen des kaukasischen Museums Bd. 1 Zoologie, von Dr. Gustav Radde - Radde, Gustav, 1831 -1903 (Typographie der Kanzelei des Landeschefs, 1899)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 1980)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 1981)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 1983)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 1986)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 1990)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 1994)