Excerpt from The Improvement of Speed and Accuracy in Typewriting, Vol. 7
The author gladly avails himself of this opportunity to express his indebtedness to Dr. Edward F. Buchner, Professor of Education, and to Dr. David E. Weglein, Associate in Это и многое другое вы найдете в книге The Improvement of Speed and Accuracy in Typewriting, Vol. 7 (Classic Reprint)