National question is a term used for a variety of issues related to nationalism. It is seen especially often in socialist thought and doctrine.

• Social Democracy and the National Question by Vladimir Medem in 1904
• Social Democracy and the Nationalities Question by Otto Bauer in 1907
• The Nationalities Question by Rosa Luxemburg in 1909^[1]
• Theses on the National Question, writings by Vladimir Lenin in 1913, first published in 1925^[2]
• The Problem of Nationalities, Chapter 39 of Leon Trotsky's History of the Russia Revolution Volume 3: The Triumph of the Soviets^[3]
• Marxism and the National Question, a 1913 pamphlet by Joseph Stalin on the definition and roles of nations within Marxism
• Zur nationalen Frage in Österreich, a 1937 articles by Alfred Klahr on Austria
• On the Question of Nationalities in Ethiopia by Wallelign Mekonnen in 1969

• National liberation (Marxism)
• Occasional Discourse on the Negro Question
• Self-determination
• The Race Question
• Wars of national liberation