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
- publisher: Chicago, Ill, United charities of Chicago
- creator: Sherman Colver Kingsley, Elizabeth McCormick Open Air School, Chicago, Elizabeth McCormick Open Air School (Chicago, Ill.)
- contributor: Elizabeth McCormick Open Air School, Chicago.
- Keyword: Open-air schools. School buildings Heating and ventilation.
- years: [c1910]
- pages: 107 p. incl. front.,
- class: LB3492.C4
- download: pdf file
