1. Beard, E. E.: Personal communication.
2. Chronic Iodine Deficiency as Cause of Neoplasia in Thyroid and Pituitary of Aged Rats;Bielschowsky;Brit. J. Cancer,1953
3. Studies on Experimental Goitre. The Transplantability of Experimental Thyroid Tumours of the Rat;Bielschowsky;Brit. J. Cancer,1949
4. Incidence of Carcinoma of the Thyroid in Nodular Goiter;Cole;Tr. Am. Goiter A.,1949
5. What Thyroid Nodules Are to Be Feared;Cope;Tr. Am. Goiter A.,1949