Organization: Arranged numerically, by folder
Arrangement: The collection is arranged in 8 series: I) Correspondence with Organizations (folders 1-420); II) Corres. with the Mack School (421-443); III) Corres. with the AJC (444-533); IV) Materials relating to the New School for Social Research (534-577); (Note: #'s 578-600 were not used.) V) Corres. with Individuals (601-889); VI) Corres. with Individuals (890-1041); VII) Personal & Academic materials (1041A-1064); VIII) Supplementary Corres. (1065-1075)