The genetic and the operative evidence relating to secondary sexual characters

O'Shea, M. V. (Michael Vincent), 1866-1932 [Editor]; Guyer, Michael F. (Michael Frederic), 1874-1959

Schönland, S. (Selmar), 1860- [Editor]; Weismann, August, 1834-1914; Poulton, Edward Bagnall, Sir, 1856-1943 [Editor]; Shipley, A. E. (Arthur Everett), Sir, 1861-1927 [Editor]

Davenport, Charles Benedict, 1866-1944; Toda, Kenji [Illustrator]; Morita, Kako [Illustrator]

Pascal, Teodoro, 1857-1937

Robinson, John H. (John Henry), 1863-1935

Power, R. A. (Richard Anderson), 1888-1974; Haldeman-Julius, E. (Emanuel), 1888-1951 [Editor]

Pratt Food Company

Bateson, William, 1861-1926

Tegetmeier, W. B. (William Bernhard), 1816-1912; Weir, Harrison, 1824-1906 [Illustrator]

Jennings, Robert, 1824-1893

Morgan, Thomas Hunt, 1866-1945