Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1899)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1900)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1901)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1902)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1903)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1904)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1905)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1909)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1852)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1896)

Proceedings of the Asiatic Society of Bengal - Asiatic Society of Bengal ([The Society], 1866)

Proceedings of the Asiatic Society of Bengal - Asiatic Society of Bengal ([The Society], 1877)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1892)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1890)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1893)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1894)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1896)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1897)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1898)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1901)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1899)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1902)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1903)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1904)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1905)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1907)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1908)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1909)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1912)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1915)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1932)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1933)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1942)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1949)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1952)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1951)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1955)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1965)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1975)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1981)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1987)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1992)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1851)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1864)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1868)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1871)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1872)

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

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1892)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1901)