The Collaborative International Dictionary of English v.0.48:

Bibliographic \Bib`li*o*graph"ic\, Bibliographical
\Bib`li*o*graph"ic*al\, a. [Cf. F. bibliographique.]
   Pertaining to bibliography, or the history of books. --
   Bib`li*o*graph"ic*al*ly, adv.
   [1913 Webster]