AP = Apophthegmata patrum
AP/G = Apophthegmata patrum, Alphabetical Collection
AP/GN = Apophthegmata patrum, Anonymous Collection
AP/GS = Apophthegmata patrum, Systematic Collection
AP/PJ = Apophthegmata patrum, Pelagius and John’s Latin Collection
AP/S = Apophthegmata patrum, Enanisho’s Syriac Collection
CCCM = Corpus Christianorum Continuatio Mediaevalis
CCSL = Corpus Christianorum Series Latina
CSCO = Corpus Scriptorum Christianorum Orientalium
CSEL = Corpus Scriptorum Ecclesiasticorum Latinorum
MGH = Monumenta Germaniae Historica
PL = Patrologia Latina
PO = Patrologia Orientalis
RB = Regula Benedicti
RM = Regula magistri
SC = Sources Chrétiennes