1. The Downs analysis applied to three other ethnic groups;Cotton;Angle Orthod,1951
2. A comparison of cephalofacial relationships;Altemus;Angle Orthod,1960
3. A determination of cephalometric norms for the Negro race;Drummond;Am J Orthod,1968
4. Differential diagnosis of adult male black and white populations;Kowalski;Angle Orthod,1974
5. Dentofacial variations within and between four groups of adult American males;Kowalski;Angle Orthod,1975