Citation
"Higher Beings Command (Sigmar Polke) , 2013.27.1-15,” Harvard Art Museums collections online, Nov 05, 2024, https://hvrd.art/o/348394.
Portfolo cover with black spine and square brown paper sticker in the center, printed with text in Serif with black ink. It reads Sigmar Polke / ... Höhere Wesen befehlen / 1968 / Edition Block Berlin.