Source
Source: Walter Ulbricht at the rally “Appeal to the Young Revolutionaries of Today” on the 50th anniversary of the November Revolution, October 19, 1968 (excerpt). Sound document collection of the Socialist Unity Party of Germany. Bundesarchiv. Signature: TonY1_2744-1. This and other speeches by Walter Ulbricht are available online at: http://www.argus.bstu.bundesarchiv.de/tony1/index.htm?kid=3e667f2e-a017-4f0e-944f-400735f93412