Città del Vaticano, Archivio Vaticano, Reg. Avin. 171, a. 1370 (Qf).
Content
ff. 519r–521r: Regula Salvatoris by St. Birgitta.
(Regula Salvatoris)
Dating
1370.
Literature
Sancta Birgitta. Opera minora. Vol. I. Regula Salvatoris. 1975. Sten Eklund (ed.). Stockholm, p. 15. Available at Litteraturbanken.