Bac-L: http://www.bac-l.com/
Barnes & Noble: http://www.bn.com/
Barnes & Noble Digital: http://ebooks.bn.com/bn_digital
Barnes & Noble eBooks: http://ebooks.bn.com/
Benetech: http://www.benetech.org/
Berkeley Libraries: http://library.berkeley.edu/
Berners-Lee, Tim (site): http://www.w3.org/People/Berners-Lee/
Bertelsmann: http://www.bertelsmann.de/
Bible de Gutenberg: http://prodigi.bl.uk/gutenbg/
Biblio-fr: http://www.cru.fr/Listes/biblio-fr@cru.fr/