Papers on moral education
International Moral Education Congress ( 1º. 1908. London) )
Papers on moral education edited by Gustav Spiller .-- London : David Nutt, 1909 .-- 406 p. 25 cm
Educación
Acta de congreso
Spiller, Gustav
Papers on moral education edited by Gustav Spiller .-- London : David Nutt, 1909 .-- 406 p. 25 cm
Educación
Acta de congreso
Spiller, Gustav