Against the Law , Peter Wildeblood, 1955. Re-published in 1999 as part of Weidenfeld and Nicolson’s 50th anniversary, with a new preface by Matthew Parris. ISBN 0 297 64382 7

A Way of Life , Peter Wildeblood, Weidenfeld and Nicolson, London, 1956

Love In A Dark Time and Other Explorations of Gay Lives and Literature , Colm Toibin, Simon and Schuster. ISBN: 0743244672

The Naked Civil Servant , Quentin Crisp, Cape, London, 1968. Preface by Michael Holroyd. Holt, Rinehart & Winston, New York, 1977. Duckworth

Society and the Homosexual , Gordon Westwood, London: Victor Gollancz Ltd, 1952London, 1977; Fontana, London, 1977; New American Library, New York, 1983; Plume, 1983; Penguin Books, 1997

The Riddle of “Man-Manly” Love: The Pioneering Work on Male Homosexuality Vol1&2 , Karl Heinrich Ulrichs, Tr. [from German] by Michael A.Lombardi-Nash, Prometheus Books UK. ISBN: 087975866X

Love Undetectable: Sociological Aspects of Homosexuality , Michael Schofield

A Minority: A Report on the Life of the Male Homosexual in Great Britain , Gordon Westwood, London: Longmans, Green and Co., (1960)

The Orton Diaries , Joe Orton, Methuen, London, 1998.ISBN: 0413736504

Karl Heinrich Ulrichs, Pioneer of the Modern Gay Movement , Hubert Kennedy, 2002. NB: