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  ^[11] Iskra (Spark ) -- the first all-Russian illegal Marxist newspaper, founded by V. I. Lenin in December 1900. It was published abroad and brought secretly into Russia (on the significance and role of Iskra see History of the C.P.S.U.(B.), Short Course, Moscow 1952, pp. 55-68).    [p. 54]

  ^[12] The Stockholm Party Congress -- the Fourth ("Unity") Congress of the R.S.D.L.P. -- took place on April 10-25 (April 23-

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May 8), 1906 (see History of the C.P.S.U.(B.), Short Course, Moscow 1952, pp. 136-39).    [p. 57]

  ^[13] The Fifth (London) Congress of the R.S.D.L.P. took place from April 30 to May 19 (May 13 to June 1), 1907 (see J. V. Stalin, Works, Vol. 2, pp. 47-80, and History of the C.P.S.U.(B.), Short Course, Moscow 1952, pp. 143-46).    [p. 58]