Text-book of the embryology of invertebrates
Korschelt, E. (Eugen), b. 1858; Heider, K. (Karl), 1856-1935; Mark, E. L. (Edward Laurens), 1847-1946; Woodworth, William McMichael, 1864-1912; Bernard, Matilda; Woodward, Martin Fountain, 1865-1901