Rosenkranz, Karl, 1805-1879
Pedagogics as a System [recurso electrónico] / Karl Rosenkranz - Project Gutenberg, 2009 - Project Gutenberg 30661 .
Public domain in the USA.
Text
Education
LB
Pedagogics as a System [recurso electrónico] / Karl Rosenkranz - Project Gutenberg, 2009 - Project Gutenberg 30661 .
Public domain in the USA.
Text
Education
LB