BEIN Eisenman +S31: From the collection of Peter Eisenman.
BEIN Eisenman +S31: Autograph: Hugo Beck: 28-29.
BEIN Eisenman +S31 Copy 1: Imperfect: Original wrappers and supplement, Mitteilungen aus der Fachwelt, wanting: 28-29; 34-38; 40:Okt.; 41:Okt.-Nov.; 43: Jan-Mai/Juni; 44:Jan./Marz, Juli/Sept.