"November parties" referred to left-wing political parties that had fomented the German Revolution of 1918–1919, which began in November. See Theodor Heuss and Ernst Wolfgang Becker, Theodor Heuss – In der Defensive, Briefe 1933-1945, p. 136. Edited by Elke Seefried. K. G. Saur Verlag, Munich. Retrieved May 25, 2010 (in German)
