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1
by Adler, Alfred, Furtmüller, Carl, Wexberg, Erwin
Published 1922
J.F. Bergmann-Verlag
Subjects: “...Education, general...”
Cover Image
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2
by Adler, Erwin, Furtmüller, Carl, Wexberg, Erwin
Published 1928
Springer Berlin Heidelberg
Subjects: “...Education, general...”