13page original manuscript of Cassadys essay Much about the film of Carolyn's Heart Beat with Sissy Spacek. The reality of her life with Neal Cassady: Neal Cassady has been one such man whose image has been perceived through a glass darkly. A rare manuscript by Carolyn Cassady who has signed it with a neater signature than she usually used. some additions, deletions in Cassady's hand. Some editorial marks in editorial hand.