Tillett, Barbara B. “Catalog It Once and for All: A History of Cooperative Cataloging in the United States Prior to 1967 (Before MARC)”. Cataloging and Classification Quarterly 17, no. 3/4 (1993): 3-38.
Barbara B. Tillett
Tillett, Barbara B. “The History of Linking Devices”. Library Resources & Technical Services 36, no. January (1992): 23-36.