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Autor:
Weeks, Helen Foss
Thesis (Ph. D.)--Columbia University, 1931.
Vita. Published also as Teachers college, Columbia university, Contributions to education, no. 465.
Vita. Published also as Teachers college, Columbia university, Contributions to education, no. 465.
Externí odkaz:
http://books.google.com/books?id=yHqhAAAAMAAJ
http://books.google.com/books?id=csGgAAAAMAAJ
http://books.google.com/books?id=csGgAAAAMAAJ
Autor:
Weeks, Helen Foss
Publikováno v:
Teachers College Record; February 1932, Vol. 33 Issue: 5 p1-2, 2p