1. The de Lange Syndrome, Institute for Research into Mental Retardation, Monograph No. 2;Berg, J.M.; McCreary, B.D.; Ridler, M.A.C.; Smith, G.F.,1970
2. Brachmann-de Lange syndrome. A report of four cases;York. Choo, P.B.; Bianchi, G.N.;Australian Paediatric Journal,1965