1. Materials for the study of variation; treated with especial regard to discontinuity in the origin of species;Bateson,1894
2. The eclipse of darwinism: Anti-darwinian evolution theories in the decades around 1900;Bowler,1983
3. Foundations of zoology;Brooks,1915
4. The mutation theory: Experiments and observations on the origin of species in the vegetable kingdom;De Vries,1910
5. On orthogenesis and the impotence of natural selection;Eimer,1898