"Destined to become a standard work of reference". Des McTernan, Curator, French Language Imprints 1501-1850, The British Library. In: French Studies Library Group Annual Review . Issue 3 (2006-7)"More than half of the 52,000 bibliographical items in FB survive in fewer than four copies, more than 5,000 items survive in only one copy: these are made of many rare examples of ephemeral regional print, the source of many unexpected and unique discoveries". Cristina Dondi, University of Oxford; Secretary of the Consortium of European Research Libraries (CERL). In: Journal of Ecclesiastical History , Vol. 60, No. 4 (2009) "Doubtlessly, this work must be the most complete listing of early French books [.
] It's amazing to me how the farther we move away from the beginning of printing, the more we continue to discover about it". David Vancil, Indiana State University Library. In: Dictionary Society of North America Newsletter , Vol. 32, No. 2 (Fall 2008) "riche et de bonne qualité [.] une base de travail sans équivalent et de grande valeur". Rémi Mathis, Bibliothèque nationale de France. In: Bulletin des bibliothèques de France , Vol.
54, No. 1 (2009).