Liddington and Norris, p. 70; Fulford, pp. 54-55. Liddington, Jill e Norris Jill, One Hand Tied Behind Us: The Rise of the Women's Suffrage Movement, London, Virago Limited, 1978, ISBN0-86068-007-X Fulford, Roger, Votes for Women: The Story of a Struggle, London, Faber and Faber Ltd, 1957OCLC191255