Paris, Bibliothèque nationale de France, Ms. lat. 4213

1v-180v, Smaragdus of Saint-Mihiel - Expositio in Regulam S. Benedicti

Link to digitization: here.
Here the end of the text is mutilated: Catalogus codicum manuscriptorum 1744a, p. 562 col. a (“Is codex decimo saeculo exaratus videtur”); SPANNAGEL/ENGELBERT 1974, p. XVIII no 41 (manuscript P 4); BISCHOFF 2014, p. 93 no 4294 (“Südfrankreich, IX. Jh., ca. 3. Viertel”). The manuscript is not mentioned by RÄDLE 1974; WITTERS 1975. Digitization: http://gallica.bnf.fr. For the possible later history of the manuscript see the comments on the copy mentioned in the library catalogue of Saint-Pons-de-Thomières: see there.