Research work

Pokrovsky, Mikhail Nikolaevich (historian, political figure, 1868-1932). How the World War arose. Leningrad: The Palace of Uritsky, 1932.

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Pokrovsky, Mikhail Nikolaevich (historian, political figure, 1868-1932). Tsarist Russia and war. Moscow: State Publishing House, 1924.

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Pokrovsky, Mikhail Nikolaevich (historian, political figure, 1868-1932). The imperialist war. Moscow: State Social and Economic Publishing House, 1934.

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Remember the war !. Moscow: The Young Guard, 1924; Leningrad.

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Pierre, Jean de. Plutarch lied. Moscow: The Military Herald, 1926.

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Ratna Chamber. St. Petersburg: Presidential Library, 2014.

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Revolutionary movement in the capitalist countries during and after the world war. Leningrad: LenPartizdat, 1933.
T. 1: The Imperialist War (1914-1918). 1933.

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Ritter, Gerhard (1888 - 1967). Criticism of World War II. Petrograd: Military Publishing House of the Petrograd Military District, 1923.

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Rozanov, Vladimir Nikolayevich (revolutionary, 1876-1939). The origin of the war. Moscow: Publishing House of Writers in Moscow, 1917.

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Rohrbach, Paul (1869-1956). War and German policy. Moscow: the publication of GA Lehman and SI Sakharov, 1915.

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