London: Kegan Paul, Trench, Trubner, 1927; E. P. Dutton, New York, 1927; revised as The Future of Swearing and Improper Language.
Londýn: Kegan Pall, Trench, Trubner, 1927; E.P. Dutton, New York, 1927; revidováno jako The Future of Swearing and Improper Language.