1. Latest and Best in Orthodontic Mechanism;Angle;D. Cosmos,1929
2. Half-Round Pin Appliance, with Auxiliary Springs and Individual Bite Planes;Grieve,1922
3. Idem: Definite Method of Stimulating Normal Growth of Mandible.;D. Cosmos,1926
4. Tr. Am. Soc. Orthodontists.,1925