1. Congenital double lip: record of a case with a note on the embryology;Calnan, J.;Brit. J. plast. Surg,1952
2. Classification of congenital clefts of the lip and palate;Davis, J.S.; Ritchie, H.P.;J. Amer. med. Ass,1922
3. Congenital malformations of the central nervous system in Scotland;Edwards, J.H.;Brit. J. prey. soc. Med,1958
4. A note on the interpretation of n x 2 tables;Edwards, J.H.;Ibid,1958
5. The recognition and estimation of cyclic trends;Edwards, J.H.;Ann. hum. Genet,1961