Original owner: Hermann Cohen (1842-1918), library from his widow's estate sold to the Israeli community of Frankfurt am Main, incorporated into the library there, expropriated from 1938, passed to the Philosophy Department of the University of Zurich by an unknown route, University Library, Philosophy, Hermann Cohen Archive;
Year and circumstances of acquisition unknown, uncatalogued old collection;
Returned to the Jewish Community of Frankfurt am Main on 11 September 2024
