MANUSCRITO.- REGRA do Mosteiro de Santa Marta de Lisboa.- 1 documento.- Século XVII (1626).- 20 f.; 31 cm.- E. Manuscript on parchment. The building that currently houses the Hospital de Santa Marta was initially (1569) an asylum for victims of the plague, in Lisbon. In 1577, during the reign of D. Henrique and on the initiative of the priests of São Roque, it went from being a retreat to a monastery. In 1583, D. Jorge de Almeida, Archbishop of Lisbon, authorized the establishment of a convent of Poor Clares nuns of the second order of Saint Francis, under the invocation of Saint Martha, having as founders three nuns from the Convent of Saint Clare of Santarém. The document is part of the “Regra do Mosteiro de Santa Marta de Lisboa”, granted in the third year of the pontificate of Pope Urban VIII (1623-1644), which follows the rule of Saint Clare. Manuscript consisting of 20 leaves of parchmentt, carefully ruled and calligraphed in round roman, with imposition of 31 lines per page. Features the following decoration: on the front of the first sheet, a large illuminated initial O (112x103 mm), representing the Virgin and Child, the page framed by four vegetal strips, in trompe-l'oeil, the lower one containing two medallions with the images of Saint Francis and Saint Clare; the remaining 19 leaves include a large card at the end of the introductory text (f. 4r.), 22 initials illuminated in blue, red and gold, 17 with three lines and five with two, and six initials calligraphed in red. The rule itself is developed into 23 chapters, which exhaustively regulate the life of the nuns, highlighting the following epigraphs: The rule itself is developed into 23 chapters, which exhaustively regulate the life of the nuns, highlighting the following epigraphs: Que as freiras morem continuamente encerradas em o mosteiro; Do habito das freiras; Em que maneira hão de estar as freiras em o dormitorio; Do silencio; Da maneira de falar; Do jejum & abstinencia das freiras; Da freiras enfermas; Do torno & da guarda delle; Do locutorio; Da grade & guarda della; Das pessoas que hão de entrar em o mosteiro; Da Abadessa; etc. Exceptionally well preserved document, consisting of two sections, each with five folded sheets, covered in a simple binding with red silk shantung lining; the set is modernly stored (certainly in the workshop of master Império Graça) in an ingenious red shagreen box/case, in the form of a binding, with elaborate gold decoration on the covers and spine.