Title: Materialy ob'edinennoĭ nauchnoĭ sessii, posvi͡ashchennoĭ 150-lettii͡u so dni͡a rozhdenii͡a Karla Marksa
Subjects: History, Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za, Study and teaching
People: Karl Marx (1818-1883)