Voice of the Lumpen, 7th Edition, [1971], S. 3
„Call for Justice. Speech delievered by Kathleen Cleaver, Communication Secretary, Black Panther Party at the Fourth of July Rally – Call for Justice – Heidelberg Germany“, S. 3-4 Unter Verwendung einer Fotografie von Abisag Tüllmann: Teach-in mit Kathleen Cleaver (Black Panther Party) in Heidelberg, Inventarnummer: Tü 71/087-08
