The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1885)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1886)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1887)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1888)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1889)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1890)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1891)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1892)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1893)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1894)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1895)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1896)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1897)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1898)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1899)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1900)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1904)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1905)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1909)

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Amphibian & reptile conservation (Amphibian & Reptile Conservation, 1996)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2000)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2006)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2011)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2012)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2015)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2016)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2019)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2022)

Amphibians and reptiles of the Chicago area - Pope, Clifford H. (Clifford Hillhouse), 1899 -1974 (Chicago natural history museum, 1944)

Amphioxus and the ancestry of the vertebrates - Willey, Arthur, 1867 -1942 (Macmillan, 1894)

Amphioxus and the ancestry of the vertebrates - Willey, Arthur, 1867 -1942 (Mcmillan, 1894)

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Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 1977)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 1978)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 1979)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 1986)

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Anatomie des Frosches - Wiedersheim, Robert, 1848 -1923 (F. Vieweg, 1904)

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Anatomische Hefte. 1. Abt, Arbeiten aus anatomischen Instituten (J.F. Bergmann, 1900)

Anatomische Hefte. 1. Abt, Arbeiten aus anatomischen Instituten (J.F. Bergmann, 1901)

Anatomische Hefte. 1. Abt, Arbeiten aus anatomischen Instituten (J.F. Bergmann, 1904)

Anatomische Hefte. 1. Abt, Arbeiten aus anatomischen Instituten (J.F. Bergmann, 1906)

Anatomische Hefte. 1. Abt, Arbeiten aus anatomischen Instituten (J.F. Bergmann, 1909)

Anatomische Hefte. 1. Abt, Arbeiten aus anatomischen Instituten (J.F. Bergmann, 1911)

Anatomische Hefte. 1. Abt, Arbeiten aus anatomischen Instituten (J.F. Bergmann, 1913)

Anatomische Hefte. 1. Abt, Arbeiten aus anatomischen Instituten (J.F. Bergmann, 1914)

Anatomischer Anzeiger - Anatomische Gesellschaft. (G. Fischer, 1886)

Anatomischer Anzeiger - Anatomische Gesellschaft. (G. Fischer, 1894)

Anatomischer Anzeiger - Anatomische Gesellschaft. (G. Fischer, 1887)

Anatomischer Anzeiger - Anatomische Gesellschaft. (G. Fischer, 1896)

Anatomischer Anzeiger - Anatomische Gesellschaft. (G. Fischer, 1888)

Anatomischer Anzeiger - Anatomische Gesellschaft. (G. Fischer, 1903)

Anatomischer Anzeiger - Anatomische Gesellschaft. (G. Fischer, 1891)

Anatomischer Anzeiger - Anatomische Gesellschaft. (G. Fischer, 1893)

Anatomischer Anzeiger - Anatomische Gesellschaft. (G. Fischer, 1898)

Anatomischer Anzeiger - Anatomische Gesellschaft. (G. Fischer, 1899)

Anatomischer Anzeiger - Anatomische Gesellschaft. (G. Fischer, 1900)

Anatomischer Anzeiger - Anatomische Gesellschaft. (G. Fischer, 1901)

Anatomischer Anzeiger - Anatomische Gesellschaft. (G. Fischer, 1904)