1. Tonic spasm of the levator ani, coccygeus and piriformis muscles: relationship to coccygodynia and pain in the region of the hip and down the leg;Thiele;Tr. Am. Proct. Soc.,1936
2. The management of the patient with painful coccyx;Thiele;Kansas City M. J.,1937
3. Coccygodynia and pain in the superior gluteal region and down the back of the thigh;Thiele;J. A. M. A.,1937
4. The painful coccyx: its cause and treatment;Thiele;Kansas City M. J.,1948
5. Coccygodynia: a study of the end results of treatment;Hamsa;J. Iowa M. Soc.,1937