

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original...

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. This book, "Open air crusaders", by Sherman Colver Kingsley, is a replication of a book originally...
