The dictaphone sales manual
Contributors: Tosdal, Harry R. (Harry Rudolph), 1889- former owner
Publisher: Columbia Graphophone Co.
Published: 1917
Place of publication: New York?
Language: eng
Number of pages: 71
Subjects: Rules and practice; Selling; Dictating machines; Sales personnel; Handbooks, manuals; Columbia Graphophone Company (U.S.)
Notes: Cover title.