Library / Patrologia Latina (Open Greek and Latin)Codex canonum ecclesiasticorum (Dionysiana): front matter and Dionysius's prefaceDionysius ExiguusDate518 (497–540), approximateLanguageLatinGenrePatristicLoading the text…← Codex canonum ecclesiasticorum (Dionysiana): canones synodi SardicensisCollectio decretorum pontificum Romanorum →