Città del Vaticano, Biblioteca Apostolica Vaticana, Barb. lat. 638

1r-63v, Smaragdus of Saint-Mihiel - Diadema monachorum

Link to digitization: here.
On fol. 2r the 14th-century exlibris: “Iste liber est domus Vallis Benedictionis ordinis Cartusiensis de Villanova prope Avinionem”. The manuscript was sent through his agent Joseph Maria Suarez SJ, who was active in Avignon, to the manuscript collection of the Cardinal Francesco Barberini (1597–1679): ROCHAIS 1953, p. 252 sq. n. 3, here p. 253 (“XIIe s.”); VIELLIARD 1964, p. 446–448, here p. 446 (“XIIe siècle”) and 448, and p. 449; MAIER 1973, p. 362; GRÉGOIRE 1984, p. 14 no 114 (“s. XII”) and p. 15–20 (edition of ch. 8, 12, 20 and 56; manuscript B). The manuscript is not mentioned by RÄDLE 1974; WITTERS 1975. Digitization: https://digi.vatlib.it/view/MSS_Barb.lat.638.