Author: International Congress on School Hygiene. 4th Buffalo 1913.
Alternate names: International Congress on School Hygiene. 4th, Buffalo, 1913; International Congress on School Hygiene.  4th.  Buffalo, 1913.; International congress on school hygiene. 4th Buffalo 1913; International congress on school hygiene. 4th. Buffalo, 1913; International congress on school hygiene. 4th Buffalo, 1913