1. Studies in Twin Resemblance;Lauterbach;Genetics,1925
2. The Resemblance between Twins; a Statistical Examination of Lauterbach's measurements;Fisher;Genetics
3. Die vererbungsbiologische Zwillingsforschung;Verschuer;Ergebnisse der inneren Medizin und Kinderheilkunde,1927
4. Triplet Children in Great Britain and Ireland;Fisher;Proceedings of the Royal Society, Series B,Jan. 2, 1928