- June 2026: The KPD After January 1919
- May 2026: The Munich Soviet Republic
- April 2026: The Counterrevolution of the Noske Era
- March 2026: The Murder of Luxemburg and Liebknecht
- February 2026: The January Uprising
- January 2026: The Founding of the KPD
- December 2025: The SPD Guarantor of State Continuity
- November 2025: The November Revolution
- October 2025: The German Socialists and October
- August-September 2025: German Socialism in 1917
- July 2025: The Founding of the USPD
- March 2025: The SPD Faces the War