Title: Open air crusaders; a report of the Elizabeth McCormick open air school, together with a general account of open air school work in Chicago and a chapter on school ventilation,
Authors: Kingsley, Sherman C. 1866-; Elizabeth McCormick Open Air School (Chicago, Ill.)
Publisher: United charities of Chicago
Year: 1910
Subjects: Open-air schools; School buildings Heating and ventilation; School Health Services