The five papers in this collection focus on bibliographic control: (1) "Developments and Progress in Bibliography" (B. C. Bloomfield, Chairman, Section on Bibliography); (2) "Developments and Progress in Cataloguing" (Tom Delsey, Chairman, Section on Cataloging); (3) "Developments and Progress in Classification and Indexing" (Robert P. Holley, Chairman, Section on Classification and Indexing); (4) "The Universal Bibliographic Control (UBC) Contribution to the Development of National Bibliographies" (Barbara Jover, United Kingdom); and (5) "Progress, Problems, and Prospects in Current National Bibliographies: Implementations of the ICBN (International Congress on National Bibliographies) Recommendations" (Barbara L. Bell, United States). (CGD)