Problemy izucheniya Gertsena (Otdel’nyi ottisk): Pis’ma Gertsena k Ch. G. Pirsonu IT. K. Sendersu, IzdateFstvo Akademii Nauk SSSR, Moskva [Issues in A. Flerzen studies (Print): Letters of Alexander Herzen [(1812-1870)] to Charles Henry Pearson [(1830-1894)] and Thomas Collette Sanders [(1825-1894), editor of “Continental Review”], Academy of Sciences of the USSR Publishing, Moscow. Text of the letters and commentaries were prepared by John Tregenza of the Australian National University]