Improvement of instruction in typewriting
By: by E. G. Blackstone ... and S. L. Smith ...
Contributors: Smith, Sofronia Lucretia, joint author.
Publisher: Prentice-Hall, inc.
Published: 1936
Place of publication: New York
Language: eng
Number of pages: 551
Subjects: Typewriting.
Notes: "General references" and "Research" at end of each chapter.