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, 1967)

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, 1975)

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)

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

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1901)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1902)

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

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1916)

Aussereuropäische Zweiflügelige Insekten - Meigen, Johann Wilhelm, 1764 -1845 (in der Schulzischen Buchhandlung, 1828)

Aussereuropäische Zweiflügelige Insekten - Meigen, Johann Wilhelm, 1764 -1845 (in der Schulzischen Buchhandlung, 1830)

Australian insects - Froggatt, Walter W. (Walter Wilson), 1858 -1937 (W. Brooks, 1907)

An authentic history of Lancaster County : in the state of Pennsylvania - Mombert, J. I. (Jacob Isidor), 1829 -1913 (J.E. Barr & Co, 1869)

An authentic history of Lancaster County, in the state of Pennsylvania - Mombert, J. I. (Jacob Isidor), 1829 -1913 (J.E. Barr & Co, 1869)

As aves do Estado de S. Paulo - Ihering, H. von (Hermann), 1850 -1930 (Typ. a vapor de Hennies irmãos, 1898)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1907)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1913)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1916)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1930)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1979)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1991)

Beitrag zu einer Künftig zu bearbeitenden Dipterologie Russlands - Gimmerthal, Benjamin August, 1779 -1848 (1845)

Beitrag zur Osteologie des Vogelschwanzes : Inaugural-dissertation der philosophischen Fakultät der Universität Bern zur Erlangung der Doctorwürde - Oort, E. D. van (Eduard Daniël),‏ ‎ 1876 -1933 (E.J. Brill, 1904)

Berattelse om Framstegen i Insekternas, Myriapodernas och Arachnidernas Naturalhistoria - Kungl. Svenska vetenskapsakademien. (1847)

Berattelse om Framstegen i Insekternas, Myriapodernas och Arachnidernas Naturalhistoria - Kungl. Svenska vetenskapsakademien. (1851)

Berliner entomologische Zeitschrift / herausgegeben von dem Entomologischen Vereine in Berlin - Berliner Entomologischer Verein (Berliner Entomologischer Verein, 1857)

Berliner entomologische Zeitschrift / herausgegeben von dem Entomologischen Vereine in Berlin - Berliner Entomologischer Verein (Berliner Entomologischer Verein, 1867)

Berliner entomologische Zeitschrift / herausgegeben von dem Entomologischen Vereine in Berlin - Berliner Entomologischer Verein (Berliner Entomologischer Verein, 1873)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1897)

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

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1902)

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, 1915)

Bibliography of the more important contributions to American economic entomology - United States. Bureau of Entomology. (Govt. print. off, 1889)

Bibliography of the more important contributions to American economic entomology - United States. Bureau of Entomology. (Govt. print. off, 1895)

Bibliography of the more important contributions to American economic entomology - United States. Bureau of Entomology. (Govt. print. off, 1896)

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

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

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)

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 Chiapas : estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2013)

La biodiversidad en Colima estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2016)

La biodiversidad en Michoacán estudio de estado 2 - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2019)

La biodiversidad en Tabasco estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2019)

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], 1897)

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

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)

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

Bird lice from the Tinamidae - Clay, Theresa (1943)

The bird life of Texas - Fuertes, Louis Agassiz, 1874 -1927 (University of Texas Press, 1974)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1914)

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1914)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1915)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1920)

The birds and mammals of the western slope of the Azuero peninsula <republic of Panama> - Aldrich, John W. (John Warren), 1906 -1995 (1937)

The birds of British Guiana : based on the collection of Frederick Vavasour McConnell - Chubb, Charles, 1851 -1924 (Bernard Quaritch, 1916)

The birds of British Guiana : based on the collection of Frederick Vavasour McConnell - Chubb, Charles, 1851 -1924 (Bernard Quaritch, 1921)

The birds of British Guiana, based on the collection of Frederick Vavasour McConnell - Chubb, Charles, 1851 -1924 (B. Quaritch, 1916)

Birds of eastern North America - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page & Company, 1912)

The birds of El Salvador - Dickey, Donald R. (Donald Ryder), 1887 -1932 (Field Museum of Natural History, 1938)

The birds of North America : one hundred and nineteen artistic colored plates representing the different species and varieties drawn and colored from nature : including a copious text giving a popular account of their habits and characteristics, based on observations made in the field by the most eminent writers on ornithology : prefaced by a systematic table and index to page, plate and figure - Chapman, Frank M. (Frank Michler), 1864 -1945 (Published under the auspices of the Natural Science Association of America, 1903)

The birds of North America; one hundred and nineteen artistic colored plates representing the different species and varieties, drawn and colored from nature. Including a copious text giving a popular account of their habits and characteristics, based on observations made in the field by the most eminent writers on ornithology. Prefaced by a systematic table and index to page, plate and figure. Arranged according to the classification adopted by the American Ornithologists' Union - Chapman, Frank M. (Frank Michler), 1864 -1945 (Published under the auspices of the Natural Science Association of America, 1895)

The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean sea, and the Galapagos Archipelago - Ridgway, Robert, 1850 -1929 (Govt. Print. Off, 1946)

The birds of North and Middle America: a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America : from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean sea, and the Galapagos archipelagos - Ridgway, Robert, 1850 -1929 (Government Printing Office, 1901)