© Artists Rights Society (ARS), New York/VG Bild-Kunst, Bonn -ich kenne kein Weekend Joseph Beuys Accession Date: 05/01/06 Accession Number: F-BEUYS-106.045 1971-72 sauce bottle and book by Kant, Kritik der reinen Vernunft (Critique of Pure Reason), mounted in briefcase 20 7/8 x 26 x 4 3/8 in. (53.02 x 66.04 x 11.11 cm)