BEIN Za +Zh77 copy 1: Autograph: Carl H. Pforzheimer Jr.: 1924. From the library of Walter L. Pforzheimer: 1924, 1926, 1931. Accompanied by honor certificate for Walter Pforzheimer signed: Charles C. Tillinghast.
BEIN Za +Zh77 copy 1: From the Living Theatre Records: 1939; 1941-1942.
BEIN Za +Zh77 copy 1: Sticky note removed from page 77, where it marked a mention of Julian Beck: 1939.
BEIN Za +Zh77 copy 2: From the library of Walter L. Pforzheimer: 1926.