First [and second] interim report of the UNESCO/Library of Congress Bibliographical Planning Group
Contributors: UNESCO/Library of Congress Bibliographical Survey
Publisher: Library of Congress
Published: 1949
Place of publication: Washington]
Language: eng
Subjects: Bibliography; Congresses
Notes: Appendix to the Library of Congress Information bulletin, July 5-11 and Sept. 13-19, 1949.

Second report has also title: Preliminary outline of a working paper for an international conference on the improvement and coordination of bibliographical services on a world-wide basis.