S. A. Levitin

1896

• Internatsionalʹnye problemy sotsailʹnoi pedagogiki
• Partii︠a︡ bolʹshevikov v revoli︠u︡t︠s︡ii 1905-1907 godov
• Partii︠a︡ v borʹbe za uprochenie i razvitie sot︠s︡ialisticheskogo obshchestva. Usilenie oborony strany
• Trudova͡ia shkola--shkola budushchago