1. Plekhanova , God na rodine, p. 3;
2. Petrogradskii Voenno-Revoliutsionnyi komitet , Dokumenty i materialy (3 vols; Moscow, 1966–1967), 1, pp. 539 and 548.
3. Plekhanova R. M. , God na rodine, p. 4.
4. Plekhanova G. V. , II, p. 286. Plekhanov wrote appreciatively of Tarle's work in his History of Russian Social Thought, Sochineniia, XX, p. 111, note. G. Diamandy, a Rumanian by origin, studied in France, became a radical student leader, a fervent supporter of Guesde, and an acquaintance of Plekhanov.
5. Plekhanova R. M. to Lydie , London, 04 2, 1917, Plekhanov Archive, Box 10.