“…The estate is described in detail elsewhere (Winkelmann, 2015) and is now available at the AG archive of the present secretary, Prof. Friedrich Paulsen, in Erlangen. In short, the estate consists of 45 folders, mainly including Eggeling's correspondence from 1919 to 1953 (not always complete), some additional material related to the AG (account books, membership lists, photographs, etc.…”