1. A cyanide citrate pour plate medium for direct determination of the colon-aerogenes content of water and sewage;Noble;Jour. A. W. W. A.,1928
2. Comparative colon-aerogenes indices of water and sewage;Noble;Jour. A. W. W. A.,1928
3. The relation of direct Bact. coli and Bact. aerogenes counts, obtained with cyanide-citrate agar, to sources of pollution;Tonney;Jour. A. W. W. A.,1930
4. The direct count of colonareogenes organisms, its possibilities and promise;Tonney;J. Inf. Dis.,1931