1. Water-Borne Typhoid Fever Still a Menace;Wolman,1931
2. The Significance of Water-Borne Typhoid Fever Outbreaks;Wolman;Jour. A. W. W. A.,1931
3. Water-Borne Outbreaks in the United States and Canada 1930-36. A Report of the Water Supply Committee, Public Health Engineering Section Am. J. Pub. Health 28 2 1938
4. An Epidemiological Study of Typhoid Fever in Six Ohio River Cities;Veldee;Public Health Reports,1931