The SBLHS 2 recommends that readers use the abbreviation “Ep.” when epistula(e) appears within an abbreviated title (see SBLHS 2 §8.3.14.1). For example: John Chrysostom Ep. carc. Epistula ad episcopos, presbyteros et diaconos in carcere Ep. Cyr. Epistula ad Cyriacum 1 Ep. Innoc. Ad Innocentium papam epistula I 2 Ep. Innoc. Ad Innocentium papam epistula … Continue reading Abbreviating “Epistle”