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2. Mendel's Idea on the Nature of Hereditary Characters';Heimanns;Folia Meendeliana,1971
3. The Inconstancy of Unit-Characters;Castle;American Naturalist,1912
4. The Laws of Hereditary of Galton and Mendel, and Some Laws Governing Race Improvement by Selection;Castle,1903
5. The Mutation Theory of Organic Evolution, from the Standpoint of Animal Breeding;Castle;Science,1905