1. Schwartz-Jampel syndrome. In Birth Defects, Atlas and Compendium;Aberfeld, D.C.,1973
2. Myotonia, dwarfism, diffuse bone disease and unusual ocular and facial abnormalities (a new syndrome);Aberfeld, D.C.; Hinterbuchner, L.P.; Schneider, M.;Brain,1965
3. Chondrodystrophic myotonia: report of two cases. Myotonia, dwarfism, diffuse bone disease, and unusual ocular and facial abnormalities;Aberfeld, D.C.; Namba, T.; Vye, M.V.; Grob, D.;Archives of Neurology (Chicago),1970
4. The Schwartz syndrome in Southern Africa;Beighton, P.;Clinical Genetics,1973
5. Differentialdiagnostische Symptomatologie von Krankheiten des Kindesalters;Catel, W.,1951