5. Imperialism and permanent revolution in the 21st Century – Peter Drucker
- V. I. Lenin, Imperialism, the Highest Stage of Capitalism, (Excerpts), 1917
- Claudio Katz, "Imperialism in 21st Century", 2002
- Resolution of the International Committee of the Fourth International, "Tunisia, Egypt: a revolutionary process of world scope", February 2011
- Phil Marfleet "The generals, the Islamists and the Egyptian Revolution"
- Secretariat of the Fourth International Bureau Down with the Gaddafi regime! Stop the imperialist intervention now! Support the Libyan revolution!, March 23rd, 2011
- Leon Trotsky ''The Permanent Revolution'' "10. What is the Permanent Revolution? Basic Postulates" (Excerpts), (1929)
- Resolution of the 14th World Congress of the Fourth International, Challenges of the new world situation, 1995