Wintour, Charles[англ.].The Berry Connection // The Rise and Fall of Fleet Street. — Hutchinson, 1989. — P. 37—38. — 271 p. — ISBN 0-09-170920-2.: «Eventually he [William Ewart Berry] struck a deal with his brother and Sir Edward Iliffe in the billiard room of the Oxford and Cambridge Club — clubland strikes again. He would take forty per cent of the Telegraph; Gomer and Sir Edward would take thirty per cent each. The new owners took over on 1st January 1928.»
Wintour, Charles[англ.].The Berry Connection // The Rise and Fall of Fleet Street. — Hutchinson, 1989. — P. 37—38. — 271 p. — ISBN 0-09-170920-2.: «Eventually he [William Ewart Berry] struck a deal with his brother and Sir Edward Iliffe in the billiard room of the Oxford and Cambridge Club — clubland strikes again. He would take forty per cent of the Telegraph; Gomer and Sir Edward would take thirty per cent each. The new owners took over on 1st January 1928.»
Griffiths, Dennis[англ.].Burnham sells the Telegraph // Fleet Street: Five Hundred Years of the Press. — London: British Library, 2006. — P. 234. — 448 p. — ISBN 0712306978.: «On 1 January 1928 Viscount Burnham (Harry Lawson) sold The Daily Telegraph to Sir William and Gomer Berry (later Lords Camrose and Kemsley) and Edward Iliffe (later Lord Iliffe) and at the same time resigned as chairman of the Newspaper Proprietors Association.»
Dixon, Campbell // 1950—51 International Motion Picture Almanac / Eds. Martin J. Quigley Sr., James D. Ivers, Charles S. Aaronson. — New York: Quigley Publications, 1950. — P. 62. — 850 p.
Dixon, Campbell // 1959 International Motion Picture Almanac / Ed. Charles S. Aaronson. — New York: Quigley Publications, 1958. — P. 69. — 850 p.
Ежегодник «Международный альманах кинематографа» американского издательства Quigley[англ.] отождествлял с Диксоном[149][150] указанного в Каталоге записей авторского права[151] и в рекламных проспектах[152] как Джордж Кэмпбелл соавтора — вместе с Вольфгангом Вильгельмом[англ.] — истории, экранизированной в виде британского пропагандистского фильма «Радио свободы[англ.]» (1941) под режиссурой Энтони Асквита (в США вышел под названием «Голос в ночи», англ.Voice in the Night).
Wintour, Charles[англ.].The Berry Connection // The Rise and Fall of Fleet Street. — Hutchinson, 1989. — P. 37—38. — 271 p. — ISBN 0-09-170920-2.: «Eventually he [William Ewart Berry] struck a deal with his brother and Sir Edward Iliffe in the billiard room of the Oxford and Cambridge Club — clubland strikes again. He would take forty per cent of the Telegraph; Gomer and Sir Edward would take thirty per cent each. The new owners took over on 1st January 1928.»
Griffiths, Dennis[англ.].Burnham sells the Telegraph // Fleet Street: Five Hundred Years of the Press. — London: British Library, 2006. — P. 234. — 448 p. — ISBN 0712306978.: «On 1 January 1928 Viscount Burnham (Harry Lawson) sold The Daily Telegraph to Sir William and Gomer Berry (later Lords Camrose and Kemsley) and Edward Iliffe (later Lord Iliffe) and at the same time resigned as chairman of the Newspaper Proprietors Association.»
London Theatres — The Royalty — "Money! Money!!" (англ.) // The Stage[англ.]. — 26 February 1931. — No. 2604. — P. 16. — ISSN0038-9099.
Grein, Jacob Thomas. Criticisms in Cameo — I. "Money! Money!" at the Royalty (англ.) // The Sketch[англ.]. — 11 March 1931. — Vol. CLIII, no. 1989. — P. 434.
Bishop, George Walter. Plays of the Week — "Money! Money!!" (англ.) // The Era[англ.]. — 4 March 1931. — Vol. 94, no. 4822. — P. 12.