She reached speeds of over 200 words, or 800 letters, per minute, and was billed as the "World's Fastest Typist". She used only two fingers of each hand, spread out in a V formation, in a typing system reportedly invented by her father. She explained that she achieved her speed by "studying words and not the typewriter", classifying words by their endings, and was reported to have a vocabulary of 64,000 words.Washington Post, 11 November 1928, page A2 She wrote several books on words. In 1924, she appeared at a gathering of the Associated Press to analyze a speech by then President Calvin Coolidge; she sorted the words used in the speech by length. Words, Words, Time, 1 December 1924 She later worked as a stenographer in Chicago and typed many theses for students at the University of Chicago.