Columbia subject headings:
Harvard subject headings:
Codex Vindobonensis 418.
Council of Constantinople (3rd : 680-681 : Constantinople)--History--Sources.
Manuscripts, Latin (Medieval and modern)--Austria--Vienna--Facsimiles.
Österreichische Nationalbibliothek.
Princeton subject headings:
Codex Vindobonensis 418.
Council of Constantinople (3rd : 680-681)--Sources.