BEIN 2023 S579: From the library of Riewert Quedens Tode: 1-2; suppl. 1-2.
BEIN 2023 S579: Extrablatt with lead article "Integrierte Lehrausbildung, Kernstück der monopolistischen Bildungsreform" marked as suppl. 1. Extrablatt with lead article "Den demokratischen Kampf an der Basis organisieren" marked as suppl. 2.