ISSC-174 Correspondence on Oct. 1974 draft of Guide (Circ. 47) other and the vote responses of ISSC 165, Box: 38, Folder: 33. Hollis Hedberg papers, RH MS 546. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/150134 Accessed November 24, 2024.