Bericht der Oberhessischen Gesellschaft für Natur- und Heilkunde - Oberhessische Gesellschaft für Natur- und Heilkunde, Giessen. (Oberhessische Gesellschaft für Natur- und Heilkunde, 1854)

Bericht der Senckenbergischen Naturforschenden Gesellschaft in Frankfurt am Main - Senckenbergische Naturforschende Gesellschaft. (Die Gesellschaft, 1909)

Bericht des Naturhistorischen Vereins in Augsburg - Naturhistorischer Verein in Augsburg. (Der Verein, 1871)

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

Bericht des Westpreussischen Botanisch-Zoologischen Vereins - Westpreussischer Botanisch-Zoologischer Verein. (Das Verein, 1908)

Bericht über das Museum Francisco-Carolinum - Museum Francisco-Carolinum. (1854)

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)

Bericht über die Leistungen in der Naturgeschichte der Vögel - Pelzeln, August von, 1825 -1891 (1888)

Beyträge zur Anthropologie und allgemeinen Naturgeschichte - Rudolphi, Carl Asmund. (Haude & Speuer, 1812)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1898)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1904)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1905)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1906)

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

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1910)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1911)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1912)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1913)

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

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1916)

Bibliographie anatomique (Berger-Levrault et Cie, 1908)

Bibliographie des travaux scientifiques (sciences mathématiques, physiques et naturelles) publiés par les sociétés savantes de la France depuis l'origine jusqu'en 1888. Dressée sous les auspices du Ministère de l'instruction publique. Toma I - II, I. Livraison - Deniker, Joseph, 1852 -1918 (Impr. nationale, 1916)

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 2, Author catalogue K to Z - Field Museum of Natural History. (Field Museum of Natural History, 1939)

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)

Biblioteca Italiana (1822)

Biblioteca Italiana (1824)

Bibliotheca entomologica. Die Litteratur über das ganze Gebiet der Entomologie, bis zum Jahre 1862 - Hagen, Hermann August, 1817 -1893 (W. Engelmann, 1863)

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)

Bibliothèque Universelle des Sciences, Belles-Lettres et Arts - Université de Genève. (Université de Genève, 1818)

Bidrag til kundskaben om Danmarks fuglefauna - Collin, Jonas, 1840 -1905 (1888)

Bidrag till kännedom av Finlands natur och folk / utgivna av Finska Vetenskaps-Societeten - Suomen Tiedeseura (Finska vetenskaps-societeten, 1878)

Bidrag till kännedom av Finlands natur och folk / utgivna av Finska Vetenskaps-Societeten - Suomen Tiedeseura (Finska vetenskaps-societeten, 1914)

Bidrag till kännedom av Finlands natur och folk / utgivna av Finska Vetenskaps-Societeten - Suomen Tiedeseura (Finska vetenskaps-societeten, 1919)

Bihang till Kongl. Svenska vetenskaps-akademiens handlingar - Kungl. Svenska vetenskapsakademien. (K. Svenska vetenskaps-akademien, 1872)

Bihang till Kongl. Svenska vetenskaps-akademiens handlingar - Kungl. Svenska vetenskapsakademien. (K. Svenska vetenskaps-akademien, 1887)

Bihang till Kongl. Svenska vetenskaps-akademiens handlingar - Kungl. Svenska vetenskapsakademien. (K. Svenska vetenskaps-akademien, 1889)

Bihang till Kongl. Svenska vetenskaps-akademiens handlingar - Kungl. Svenska vetenskapsakademien. (K. Svenska vetenskaps-akademien, 1892)

Bihang till Kongl. Svenska vetenskaps-akademiens handlingar - Kungl. Svenska vetenskapsakademien. (K. Svenska vetenskaps-akademien, 1898)

Bihang till Kongl. Svenska vetenskaps-akademiens handlingar - Kungl. Svenska vetenskapsakademien. (K. Svenska vetenskaps-akademien, 1902)

Bilder-Atlas zum Conversations-Lexicon. Ikonographische Encyklopädie der Wissenschaften und Künste - Heck, J. G. (Johann Georg), 1857 (F.A. Brockhaus, 1849)

Bilder-Atlas zur wissenschaftlich-populären Naturgeschichte der Wirbelthiere - Fitzinger, Leopold Joseph, 1802 -1884 (Kaiserl. Koenigl. Hof- und Staatsdr, 1867)

Biltmore lectures on sylviculture - Oberholser, Harry C. (Harry Church), 1870 -1963 (Brandow Printing Co, 1907)

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)

La biodiversidad en Aguascalientes : estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2008)

La biodiversidad en Chihuahua : estudio de estado - Barajas, Nélida (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2014)

La biodiversidad en Guanajuato: estudio de Estado - Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO) (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2012)

Biologia centrali-americana: Aves - Godman, Frederick Du Cane, 1834 -1919 (R.H. Porter], 1879)

Biologia centrali-americana: Aves - Godman, Frederick Du Cane, 1834 -1919 (R.H. Porter], 1888)

Biologia centrali-americana: Aves - Godman, Frederick Du Cane, 1834 -1919 (R.H. Porter], 1897)

Biologia Centrali-Americana :zoology, botany and archaeology - Godman, Frederick Du Cane, 1834 -1919 (Published for the editors by R. H. Porter], 1879)

Biologia Centrali-Americana :zoology, botany and archaeology - Godman, Frederick Du Cane, 1834 -1919 (Published for the editors by R. H. Porter], 1897)

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

A biological survey of Alabama. I. Physiography and life zones. II. The mammals - Howell, Arthur H. (Arthur Holmes), 1872 -1940 (Government Printing Office, 1921)

A biological survey of Colorado - United States. Bureau of Biological Survey. (Government Printing Office, 1911)

Biological survey of Texas : Life zones, with characteristic species of mammals, birds, reptiles, and plants. Reptiles, with notes of distribution. Mammals, with notes on distribution, habits and economic importance - Merriam, C. Hart (Clinton Hart), 1855 -1942 (G.P.O, 1905)

Biologie : oder Philosophie der lebenden Natur für Naturforscher und Aerzte - Treviranus, Gottfried Reinhold, 1776 -1837 (bey J. F. Röwer, 1802)

Biologie : oder Philosophie der lebenden Natur für Naturforscher und Aerzte - Treviranus, Gottfried Reinhold, 1776 -1837 (bey J. F. Röwer, 1803)

Biologische Untersuchungen. Neue Folge ... - Retzius, Gustaf, 1842 -1919 (Samson & Wallin, 1909)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1896)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1904)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1905)

Biologisches Zentralblatt (G. Thieme, 1922)

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

Bird-architecture - Rennie, James, 1787 -1867 (C. Knight, 1844)

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)

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)

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

Bird guide. Part 2, Land birds east of the Rockies - Reed, Chester A. (Chester Albert), 1876 -1912 (Musson Book Co, 1909)

Bird guide. pt. 2, Land birds east of the Rockies, from parrots to bluebirds - Reed, Chester A. (Chester Albert), 1876 -1912 (C. K. Reed, 1909)

Bird guide : land birds east of the Rockies from parrots to bluebirds - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page, 1916)

Bird guide : land birds east of the Rockies from Parrots to Bluebirds - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page, and Co, 1926)

Bird guide, part 2 : land birds east of the Rockies, from parrots to bluebirds - Reed, Chester A. (Chester Albert), 1876 -1912 (Chas. K. Reed, 1912)

Bird guide...east of the Rockies - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page & Co, 1910)

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

Bird-life; a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (D. Appleton and company, 1900)

Bird-life : a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (D. Appleton and company, 1897)

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, 1919)

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 (D. Appleton and company, 1898)

The bird-life of London - Dixon, Charles, 1858 -1926 (W. Heinemann, 1909)

Bird life of North Carolina's Shining Rock Wilderness - North Carolina Biological Survey. ([North Carolina Biological Survey, N.C. State Museum of Natural Sciences], 1994)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1912)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1915)

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1917)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1917)

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1918)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1920)

Bird migration in the Mississippi Valley - Widmann, Otto (The American Field, 1883)

Bird neighbors : an introductory acquaintance with one hundred and fifty birds commonly found in the gardens, meadows, and woods about our homes - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday & McClure, 1898)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1903)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1911)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1913)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1916)

Bird notes afield; a series of essays on the birds of California - Keeler, Charles, 1871 -1937 (D.P. Elder & M. Shepard, 1899)

Bird Report / Ornithological Society of Turkey - Royal Society for the Protection of Birds (1966)

Bird Report / Ornithological Society of Turkey - Royal Society for the Protection of Birds (1968)

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

Bird Report / Ornithological Society of Turkey - Royal Society for the Protection of Birds (1974)