English summary: Comparative analysis of Kellia after 451 AD and synthesis of the development of the site. Studies and categorization of ceramics, coins, inscriptions, and decorations, and some specialized studies. French text. French description: Le Kom 1 (QIs 1), en marge de l'ensemble monastique de Qoucour Isy, dans le desert des Kellia, a ete fouille integralement entre 1965 et 1978. Il contenait les plus anciens temoins de l'occupation...