1. Hereditary Disturbances of Enamel Formation and Calcification;Weinmann;J. Am. Dent. Assoc,1945
2. Some Observations in Amelogenesis Imperfecta and Calcification of Dental Enamel;Darling,1956
3. Genetics and Dentistry;Witkop;Eugenics Quarterly,1958
4. Erbbedingte Strukturanomalien Menschlicher Zahne;Schulze;Acta Genet,1957
5. Hereditary Defects in Enamel and Dentin;Witkop;Acta Genet. (Basel),1957