found: Champion, P. La danse macabre de Guy Marchant, 1925:cover (Guy Marchant) p. 1, etc. (l'imprimeur parisien; Guyot Marchant; prêtre; maître-ès-arts de la Faculté de Paris; d'origine bourguignonne; fl. 1485-1504)
found: Renouard, P. Répertoire d. imprim. parisiens, 1965:p. 293 (Marchant, Guy, or Guyot; libr.-impr., 1483-1505)
found: Gallia typographica : sér. parisienne, 1911:index (Marchand, Guy, libr. à Paris)
found: Renouard, P. Imprimeurs parisiens, 1965:p. 293 (Marchant, Guy, Guyot; Mercator, Mercatoris, Coopman; priest, master of arts, bookseller-printer, 1483-1505 (1506 n.s.))
found: BM 15th cent.VIII, p. 55-57 (Guy Marchant (Guido Mercatoris); variant: Guiot Marchant)
found: Expositio canonis misse, 1499:colophon (... Magistrum Guidonem Mercatorem)
found: Proctor, Robert. An index to the early printed books in the British Museum, 1898-1903:part 1, section 3, page 572 (Gui Marchand)
