Part of his papers, containing some 150 letters from Plechanov to his wife 1890-1916; some 150 letters from Rozalija M. Plechanova (Плеханова Розалия Марковна) to her husband 1893-1916; letters from Rozalija and Georgij Plechanov to their daughters; photocopies of letters from Plechanov to his wife; typescript of vol. VIII, second part, of `Literaturnoe Nasledie G.V. Plechanova'; translations of articles written by Plechanov; articles on Plechanov; documents relating to Rozalija Plechanova 1919; press clippings on the death of both; press clippings, etc., on the 100th birthday of Plechanov; some other printed material. In St. Petersburg is located the Dom Plechanova, containing his library and his archive (apart from the IISH papers).