Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1900)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1901)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1902)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1908)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1909)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1916)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1918)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1920)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1935)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1943)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1950)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1973)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1975)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1995)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 2007)

The Arabian stud book - Arabian Horse Club of America. (Arabian Horse Club of America, 1918)

Arbeiten des Botanischen instituts in Würzburg - Sachs, Julius, 1832 -1897 (Wilhelm Engelmann, 1888)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1900)

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1912)

Archiv für Naturgeschichte. Abteilung A (Nicolai, 1915)

Archiv für Naturgeschichte (Nicolai, 1846)

Archiv für Naturgeschichte (Nicolai, 1854)

Archiv für Naturgeschichte (Nicolai, 1859)

Archiv für Naturgeschichte (Nicolai, 1863)

Archiv für Naturgeschichte (Nicolai, 1870)

Archiv für Naturgeschichte (Nicolai, 1893)

Archiv für Naturgeschichte (Nicolai, 1895)

Archiv für Naturgeschichte (Nicolai, 1907)

Archiv skandinavischer Beiträge zur Naturgeschichte - Hornschuch, Christian Friedrich, 1793 -1850 (C.A. Koch, 1850)

Ardea - Nederlandsche Ornithologische Vereeniging. (Nederlandse Ornithlogische Unie, etc, 1912)

Ardea - Nederlandsche Ornithologische Vereeniging. (Nederlandse Ornithlogische Unie, etc, 1916)

Ardea - Nederlandsche Ornithologische Vereeniging. (Nederlandse Ornithlogische Unie, etc, 1918)

Ardea - Nederlandsche Ornithologische Vereeniging. (Nederlandse Ornithlogische Unie, etc, 1920)

Ardea - Nederlandsche Ornithologische Vereeniging. (Nederlandse Ornithlogische Unie, etc, 1921)

Ardea - Nederlandsche Ornithologische Vereeniging. (Nederlandse Ornithlogische Unie, etc, 1922)

Arsberattelse om Zoologiens Framsteg...till Kongl. Vetenskaps Akademien afgiven af Zoologiae Intendenterna. Andra Delen (Insecta. Linn.) (1843)

Atlante ornitologico : uccelli europei : con notizie d'indole generale e particolare - Arrigoni degli Oddi, Ettore, 1867 -1942 (U. Hoepli, 1902)

Atlas of zoogeography; a series of maps illustrating the distribution of over seven hundred families, genera, and species of existing animals - Clarke, William Eagle, 1853 -1938 (Pub. at the Edinburg Geographical Institute, by J. Bartholomew & Co, 1911)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1971)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1973)

Atti della Accademia di scienze, lettere e arti di Palermo - Accademia di scienze, lettere e arti di Palermo. (Presso l'Accademia, 1908)

Atti della Accademia gioenia di scienze naturali in Catania - Accademia gioenia di scienze naturali in Catania. (Tipografia Zuccarello & Izzi)

Atti della Accademia nazionale dei Lincei - Accademia nazionale dei Lincei (1875)

Atti della Reale Accademia delle scienze di Torino - Reale accademia delle scienze di Torino (L'Accademia, 1879)

Atti della Reale Accademia delle scienze di Torino - Reale accademia delle scienze di Torino (L'Accademia, 1901)

Atti della Reale Accademia delle scienze di Torino - Reale accademia delle scienze di Torino (L'Accademia, 1910)

Atti della Reale Accademia delle scienze di Torino - Reale accademia delle scienze di Torino (L'Accademia, 1913)

Atti della Reale Accademia delle scienze di Torino - Reale accademia delle scienze di Torino (L'Accademia, 1925)

Atti della Società dei naturalisti e matematici di Modena - Società dei naturalisti e matematici di Modena. (Società Tipografica Editrice Modenese - Mucchi, 1881)

Atti della Società dei naturalisti e matematici di Modena - Società dei naturalisti e matematici di Modena. (Società Tipografica Editrice Modenese - Mucchi, 1885)

Atti della Società dei naturalisti e matematici di Modena - Società dei naturalisti e matematici di Modena. (Società Tipografica Editrice Modenese - Mucchi, 1889)

Atti della Società dei naturalisti e matematici di Modena - Società dei naturalisti e matematici di Modena. (Società Tipografica Editrice Modenese - Mucchi, 1894)

Atti della Società italiana di scienze naturali e del Museo civico di storia naturale di Milano - Museo civico di storia naturale di Milano. (La Società, 1902)

Atti della Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale in Milano - Museo civico di storia naturale di Milano. (Società Italiana di Scienze Naturali ; Museo Civico di Storia Naturale in Milano, 1988)

Le attinie. Monografia del d' Angelo Andres. Volume primo, contente bibliografia, introduzione e specigrafia - Andres, Angelo, 1851 -1934 (W. Engelmann, 1884)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1884)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1885)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1888)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1892)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1893)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1894)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1876)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1915)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1917)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1920)

Aves da Peninsula Iberica e especialmente de Portugal - Paulino d'Oliveira, M. (Imprensa da universidade, 1896)

Aves Hungariae : enumeratio systematica avium Hungariæ cum notis brevibus biologicis, locis inventionis virorumque a quibus oriuntur - Frivaldszky, János, 1822 -1895 (Typis Societatis Frankli, 1891)

Avicula giornale ornitologico italiano (Agenzia del Giornale, 1900)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1902)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1929)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1969)

Avifauna italica. Elenco delle specie di uccelli stazionarie o di passaggio in Italia, colla loro sinonimia volgare e con notizie più specialmente intorno alle migrazioni ed alla nidificazione - Giglioli, Enrico Hillyer, 1845 -1909 (Coi tipi dei successori Le Monnier, 1886)

Avium systema naturale. Das natürliche system der vögel mit hundert tafeln grösstentheils original-abbildungen der bis jetzt entdecken fast zwölfhundert typischen formen. Vorlaüfer einer iconographie der arten der vögel aller welttheile ... - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (Expedition der vollständigsten naturgeschichte, 1850)

The Bass Rock : its civil and ecclesiastic history - Fleming, John, 1785 -1857 (J. Greig, 1847)

Der Bau der Vögel - Marshall, William, 1845 -1907 (J.J. Weber, 1895)

Beached marine birds and mammals of the North American West Coast : a manual for their census and identification - U.S. Fish; Wildlife Service (The Service, 1980)

Beitrag zur Kenntnis der Vogelwelt Islands - Hantzsch, Bernhard Adolph, 1875 -1911 (R. Friedler & Sohn, 1905)

Bergens Museums aarbog - Bergens Museum. ([The Museum], 1907)

Bergens Museums aarbok. Naturvidenskabelig række - Bergens Museum. (Det Museum, 1922)

Bericht des Naturwissenschaftlichen Vereins für Bielefeld und Umgegend - Naturwissenschaftlicher Verein für Bielefeld und Umgegend. (1938)

Bericht des Naturwissenschaftlichen Vereins für Schwaben und Neuburg (a.V.) in Augsburg - Naturwissenschaftlicher Verein für Schwaben und Neuburg. (Die Verein, 1890)

Bericht über die Leistungen in der Naturgeschichte der Vögel - Pelzeln, August von, 1825 -1891 (1847)

Bericht über die Leistungen in der Naturgeschichte der Vögel - Pelzeln, August von, 1825 -1891 (1882)

Bering's voyages; an account of the efforts of the Russians to determine the relation of Asia and America - Stejneger, Leonhard, 1851 -1943 (American geographical society, 1925)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1907)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1909)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1914)

A bibliography of birds : with special reference to anatomy, behavior, biochemistry. Part 3, Subject index - Field Museum of Natural History. (Field Museum of Natural History, 1946)

A bibliography of birds : with special reference to anatomy, behavior, biochemistry. Part 4, Finding index - Field Museum of Natural History. (Field Museum of Natural History, 1959)

Bibliotheca zoologica [I] Verzeichniss der schriften ©ơber zoologie, welche in den periodischen werken enthalten und vom jahre 1846-1860 selbst©Þndig erschienen sind. Mit einschluss der allgemein-naturgeschichtlichen, periodischen und paleontologischen schriften - Carus, Julius Victor, 1823 -1903 (W. Engelmann, 1861)

Bibliotheca zoologica [I] Verzeichniss der Schriften über zoologie, welche in den Periodischen werken enthalten und vom Jahre 1846-1860 selbständig erschienen Sind - Carus, Julius Victor, 1823 -1903 (W. Engelmann, 1861)

Bibliotheca zoologica II. verzeichness der schriften über zoologie welche in den periodischen werken enthalten und vom jahre 1861-1880 selbständig erschienen sind, mit einschluss der allgemein-naturgeschichtlichen, periodischen und paleontologischen schriften - Carus, Julius Victor, 1823 -1903 (Wilhelm Engelmann, 1887)

Bidrag till kännedom av Finlands natur och folk / utgivna av Finska Vetenskaps-Societeten - Suomen Tiedeseura (Finska vetenskaps-societeten, 1873)

Bidrag till kännedom av Finlands natur och folk / utgivna av Finska Vetenskaps-Societeten - Suomen Tiedeseura (Finska vetenskaps-societeten, 1889)

Bidrag till kännedom av Finlands natur och folk / utgivna av Finska Vetenskaps-Societeten - Suomen Tiedeseura (Finska vetenskaps-societeten, 1890)

Bidrag till kännedom av Finlands natur och folk / utgivna av Finska Vetenskaps-Societeten - Suomen Tiedeseura (Finska vetenskaps-societeten, 1891)

Binomial and trinomial index to The auk, 1884-1940, also including the Nuttall bulletin, 1876-1883, and the A.O.U. check-list of North American birds (all seven editions) - Pollock, Andrew W. ([Andrew W. Pollock III], 2015)

A biological investigation of the Athabaska-Mackenzie region - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt. print. off, 1908)

A biological investigation of the Hudson Bay region - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt. Print. Off, 1902)

A biological reconnaissance of the base of the Alaska peninsula - Osgood, Wilfred Hudson, 1875 -1947 (Government Printing Office, 1904)

Biological review of Ontario (Biological Society of Ontario, 1894)

A biological survey of North Dakota - Bailey, Vernon, 1864 -1942 (Government Printing Office, 1926)

A biological survey of the Pribilof islands, Alaska. I. Birds and mammals - United States. Bureau of Biological Survey. (Govt. Print. Off, 1923)

A biological survey of the sand dune region on the south shore of Saginaw Bay, Michigan - Michigan. Geological Survey. (Wynkoop, Hallenbeck, Crawford co., state printers, 1911)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1894)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1895)

The biologist's handbook of pronunciations - Jaeger, Edmund C. (Edmund Carroll) 1887 -1983 (Thomas, 1960)

The biology of birds - Thomson, J. Arthur (John Arthur), 1861 -1933 (Macmillan, 1923)

The bird book : illustrating in natural colors more than seven hundred North American birds; also several hundred photographs of their nests and eggs - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page & company, 1915)

The bird book, illustrating in natural colors more than seven hundred North American birds, also several hundred photographs of their nests and eggs - Reed, Chester A. (Chester Albert), 1876 -1912 (C. K. Reed, 1914)

Bird guide - Reed, Chester A. (Chester Albert), 1876 -1912 (Musson, 1906)

Bird-life : a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (D. Appleton, 1912)

Bird-life : a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (D. Appleton, 1915)

Bird-life; a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (D. Appleton & co, 1899)

Bird-life : a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (McClelland, 1901)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1901)

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1899)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1989)

Bird Report / Ornithological Society of Turkey - Royal Society for the Protection of Birds (1970)

Birds - Baird, Spencer Fullerton, 1823 -1887 (1858)

Birds in Kansas - Thompson, Max C. (University of Kansas, Museum of Natural History, 1989)

Birds' nests; an introduction to the science of caliology - Dixon, Charles, 1858 -1926 (G. Richards, 1902)

Birds of America - Pearson, T. Gilbert (Thomas Gilbert), 1873 -1943 (The University Society, 1923)

The birds of America : from drawings made in the United States and their territories - Audubon, John James, 1785 -1851 (J.B. Chevalier, 1842)