Kautskīĭ o nashikh partīĭnykh raznoglasīi︠a︡kh
by Karl Kautsky
SocialismRossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡
Writing a summary for young readers…
For young readers
Book data: Open Library
by Karl Kautsky
Book data: Open Library