Bimensuel, bisannuel; signification de ces mots: [440].
Blades (W.): [321], [322], [323], [338], [343], [346], [347], [441].
Blanc (Charles): [20], [123], [127], [128], [139], [141], [159], [441].
Blanc (Louis): [170], [171], [433].
Blanc, livres en blanc: [158].
Blanchemain (P.): [441], [461].
Blanches (typ.), lettres —: [102], [103].
Blanchiment du papier: [43], [62].
Blanchon (H.-L.-Alph.): [131], [133], [138], [142], [146], [150], [395], [441].
Blatte, insecte bibliophage: [322].