British national bibliography [electronic resource].
- London : British Library
- British Library. National Bibliographic Service.
- ["The British National Bibliography (BNB) records the publishing activity of the United Kingdom and the Republic of Ireland and includes selective coverage of printed and electronic publications published since 1950, as well as information on new titles up to 16 weeks ahead of their announced publication date. The BNB has been available as a subset of the British Library Integrated Catalogue since December 2008."]
- Beginning date
- Title Variation
- BNB on CD-ROM, current file