1. Time Changes in Mortality From Accidental Mechanical Suffocation Among Infants Under One Year in Different Geographic Regions of the United States,1925 to 1932;Gafafer;U. S. Public Health Reports,1936
2. Accidental Strangulation in Infants;Von Lyss;München. med. Wchnschr.,1938
3. Preventable Accidental Deaths by Suffocation and Strangulation in Infants and Small Children;Von Fusslin;München. med. Wchnschr.,1938
4. Summary of Vital Statistics, Department of Health, City of New York, 1912 to 1942, inclusive.