found:Catholic Church. Diocese of Gap (France). Bishop (1867-1879 : Guilbert). Lettre pastorale de Monseigneur l'évêque de Gap au clergé de son diocèse, 1876
found:Cath. encycl., web site, 8 Aug. 2003(hdg.: Gap; suffragan of Aix; suppressed by the Concordat of 1801 and then united to Digne, this diocese was re-established in 1822 and comprises, besides the ancient Diocese of Gap, a large part of the ancient Diocese of Embrun)