1. Anatomical variations in the female pelvis and their effect on labor with a suggested classification;Caldwell;Am. J. Obst. & Gynec.,1933
2. Studies on pelvic arrests;Caldwell;Am. J. Obst. & Gynec.,1938
3. Principles and Practice of Obstetrics;Delee,1938
4. The diagonal conjugate versus x-ray pelvimetry;Dippel;Surg., Gynec. & Obst.,1939
5. The dimensions of the pelvic inlet of 789 white females;Greulich;Anat. Rec.,1938