Obshchestvennoe dvizhenie v Rossii v nachal XX-go vi︠e︡ka /
Martov, L.,1873-1923.
Maslov, Petr Pavlovich.
Potresov, Aleksandr Nikolaevich.
The Hague : Europe printing,
1968.
Reprint of the St. Petersburg, 1909-14 edition.