The British Library General Catalogue of Printed Books to 1975
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations.
General Catalogue of Printed Books: Ten-year Supplement, 1956-1965
This Catalogue Records Over 200,000 New Accesssions To The Printed Book collections of the British Library, all of which are available for consultation in the appropriate London reading rooms.
The British Library General Catalogue of Printed Books to 1975: Balza - Baren. 18