Open air schools : an account of the development of the open air schools in Germany, England and America

Ayres, Leonard Porter2013-05-212013-05-2119101910b24795057https://hdl.handle.net/2144/5459Thesis (Ph.D.)--Boston Universityen-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictionsOpen-air schoolsOpen air schools : an account of the development of the open air schools in Germany, England and AmericaThesis/Dissertation