Полиомиелит в Коннектикуте: Centers for Disease Control and Prevention, Follow-Up on Poliomyelitis, Morbidity and Mortality Weekly Report 21 (1972): 365–366; F. M. Foote, G. Kraus, M. D. Andrews, and J. C. Hart, Polio Outbreak in a Private School, Connecticut Medicine, December 1973.
