1. Arey L. B.: Developmental Anatomy; a Textbook and Laboratory Manual of Embryology, Ed. 5, Philadelphia, W. B. Saunders Company, 1946, 616 pp.
2. Hemangiomas
3. Ewing James: Neoplastic Diseases; a Treatise on Tumors, Ed. 4, Philadelphia, W. B. Saunders Company, 1940, 1160 pp.