Manual of object-teachingde Norman A. CalkinsMateriasObject-teaching. [from old catalog]Ediciones (1)Manual of object-teaching (1882)Harper & brothers · inglésMás obras de Norman A. CalkinsManual for teachers, to accompany Prang's aids for object-teachingA manual to accompany Jeffers' panoramic apparatus for teaching readingPrimary object lessons, for a graduated course of development