Format:
223 S. :
,
Ill.
Language:
German
Subjects:
Education
Author information:
Lehmann, Rudolf, 1855-1927.
Author information:
Kerschensteiner, Georg, 1854-1932.
Author information:
Oestreich, Paul, 1878-1959.
Author information:
Rein, Wilhelm, 1847-1929.
Author information:
Dunin-Borkowski, Stanislaus von, 1864-1934.