The principles of oral teaching and mental training : the principles of teaching illustrated by references to familiar school experience also lessons - how to prepare, give, and criticise them together with specimen notes of lessons on all the ordinary subjects of school instruction - all with a view to mental training / by Joseph H. Cowham.

Licence: Public Domain Mark

Credit: The principles of oral teaching and mental training : the principles of teaching illustrated by references to familiar school experience also lessons - how to prepare, give, and criticise them together with specimen notes of lessons on all the ordinary subjects of school instruction - all with a view to mental training / by Joseph H. Cowham. Source: Wellcome Collection.