Nine papers on various aspects and methods of catalog card reproduction are included in this supplement. Many reports include cost analyses and comparisons. A lengthy paper describes the history and the present use of technology of the Library of Congress card production operations. Other reports cover offset press and computer output microfilm methods as used in the University of Hawaii, an ITEL automated typing system, and an application of the card-master enlarger system as used at the University of Tennessee in Knoxville. (Author/PF)