International relations in the Epoch of Imperialism

International relations in the Epoch of Imperialism: Documents from the archives of the royal and time.Governments 1878-1917.Series 3. 1914-1917./ CommissionWith the CEC of the USSR by ed.documents of the era of imperialism under before.M.N.Pokrovsky.- M.;L.: State.Social-eco.Publishing house, 1931-1940.-.Electronic Source: PB