Books by Diaconus Petrus:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Petrus, Diaconus, of Monte Cassino, approximately 1107-approximately 1140: Historia abbatiae Cassinensis : per saeculorum seriem distributa : qua Leonis Chronicon a Petro Diacono ad annum MCXXXVIII. continuatum in plerisque suppletur, & ad haec usque nostra tempora ex probatissimis, authenticisque documentis producitur, insertis operis initio, monasterii descriptione, & ad calcem pro laudati Chronici authoribus apologia (Apud Sebastianum Coleti, 1733), also by Erasmo Gattola and Marsicanus Leo (page images at HathiTrust)- Petrus, Diaconus, of Monte Cassino, approximately 1107-approximately 1140: S. Hilarii Tractatvs de mysteriis et hymni et S. Silviae Aqvitanae Peregrinatio ad loca sancta, qvae inedita ex codice arretino deprompsit Joh. Franciscvs Gamvrrini. (ex typographia Pacis P. Cuggiani, 1887), also by Gian Francesco Gamurrini and Saint Hilary (page images at HathiTrust)
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