reissued publication by New Congress/Der Neue Kongress s.Z. Timeline of Speedwords & Publication dates Dutton was assiduous in developing Speedwords and its predecessor Dutton shorthand. After developing Dutton shorthand, Dutton continued to improve it. But then realising the shortcomings of using shorthand, Dutton develops Dutton Shorthand. Dutton Shorthand was also revised many times. Dutton never gave up refining Speedwords, advocating its merits, and offering it for sale and as a correspondence course. Below is a selection of publications that Dutton produced over his lifetime. Dutton shorthand publications 1915 Dutton 24-hour shorthand (First edition). 1916 Dutton Shorthand as a competitor to Pitman and Gregg shorthand called "Shorthand in Three Days" [with Key]. 1917 Dutton 24-hour shorthand (Second edition). Skegness : Dutton Educational Co. 1919 Dutton revises Dutton Shorthand renamed as "Dutton One Week Shorthand" containing 12 lessons that could be mastered in one week. ? Dutton shorthand textbook. ? Key to Dutton shorthand textbook. ? Key to select readings in Dutton's shorthand. ? Key to business letters in Dutton's shorthand. 1919 Business letters in Dutton's shorthand (Book 1). Skegness : Dutton Educational Co. 1918 Dutton's Shorthand Phrase Book. 1919 Dutton speed practice book. 1919 Select readings in Dutton's shorthand (with Key) Book 1. Skegness : Dutton Educational Co. 1917 Dutton's shorthand dictionary 13,000 shorthand outlines (First edition). ? Dutton's shorthand phrase book containing the outlines of nearly 2,000 useful phrases with exercises therein marked for dictation. 1919 Dutton's shorthand dictionary 13,000 shorthand outlines (Second edition). 1919 Graded exercises and key. ? Dictation exercises 1937 Dutton's 24-hour shorthand : the system for the million. London: Dutton's Shorthand College 1951 Dutton Shorthand [Reprint] These publications continued to be available in the 1960s and 1970s. Transition from Shorthand to Speedwords 1933 International 2 Letter Script. Skegness: Dutton's. 1935 reprint (?) of International 2 Letter Script This publication is described by Dutton in an article to the Royal Society. It uses one letter of the English alphabet which was assigned to a class of meaning, apparently directly inspired by Roget's Thesaurus. There was no pronunciation system and criticisms of this omission resulted in Speedwords. Speedwords publications 1935 Unknown title which converts International 2 Letter Script into Speedwords 1940 480 Speedwords 1940? 100 speedwords with 20 exercises (with World Speedwords as the title on page 3) 1940? Dutton double-speed longhand (advertised on the back page of Dictation Exercises on the one thousand most used words booklet)