BIBLIOGRAPHICAL QUERIES.

(*Continued from* Vol. iii., p. 139.) (43.) Is there any valid reason for not dating the publication of some of Gerson's treatises at Cologne earlier than the year 1470? and if good cause cannot be shown for withholding from them so high a rank in the scale of typographic being, must we not instantly reject every effort to extenuate Marchand's obtuseness in asserting with reference to Ulric Zell, "On ne voit des éditions de ce Zell qu'en 1494?" (*Hist. de l'Imp.*, p. 56.) Schelhorn's opinion as to the birthright of these tracts is sufficient to awaken an interest concerning them, for he concei…