John Thomas Murphy (9 December 1888 – 13 May 1965) was a British trade union organiser and Communist functionary. Murphy is best remembered as a leader of the communist labour movement in the United Kingdom from the middle 1920s until his resignation from the Communist Party of Great Britain in 1932. (From Wikipedia)
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Murphy, J. T. (John Thomas), 1888-1965, ed.: The Errors of Trotskyism (London: Communist Party of Great Britain, 1925), contrib. by Leon Trotsky, Grigory Yevseyevich Zinovyev, Joseph Stalin, Lev Borisovich Kamenev, G. I︠A︡. Sokolʹnikov, O. W. Kuusinen, Nadezhda Konstantinovna Krupskaya, and Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za (page images at HathiTrust; US access only)
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