|Esta Ross Stuart. Complete Typewriting Course (Revised Edition), High Frequency Word-Pattern Method. Arranged for Canadian Schools by Evelyn M. Rutledge. The Copp Clark Publishing Co. Ltd., 1939.|
In 1923, Tangora set a one-hour record of 147 words per minute on an Underwood Standard. He won these competitions seven times before conceding defeat to another contestant on an electric typewriter.
|The Guinness Book of Records. London: Guinness Superlatives Ltd., 1956|
In 1946, Stella Pajunas, later Mrs. Garnand, attained 216 words per minute on an IBM machine. It took an electric typewriter to beat Mr. Tangora's record. And a woman.