The germ-plasm; a theory of heredity Weismann, August, 1834-1914 creator Parker, W. N. (William Newton), 1857-1923 contributor Rönnfeldt, Harriet. contributor text book New York Scribner's 1893 1893
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ENG Heredity QH431 .W45 The Contemporary science series https://www.biodiversitylibrary.org/bibliography/29345 990669 06017330 10.5962/bhl.title.29345