Urbana, IL, U.S.A. ACM Preprints Committee 1958. 59 leaves, irregularly numbered. 8 /12 x 11 inches. Tan self wrappers printed in black ink. Blank spine. Stamp of F. M. Verzuh on rear cover, and handwritten 'ACM-58' and '58 ACM' on spine panel. Lower inch of spine panel paper is loose. Very Good. Wraps. 
Contains summaries of many papers scheduled to be presented at the conference.