Teaching by correspondence.
Subtitle: An annotated bibliography.
By: Compiled by Philip D-B Perham. California state Department of education, Correspondence extension service, 1936.
Contributors: Perham, Philip Doss-Bradley, 1892-
Published: 1936
Place of publication: [San Francisco
Language: eng
Number of pages: 76
Subjects: Correspondence schools and courses -- Bibliography.
Genres: Bibliography.
Notes: Mimeographed.