Source: Missale ecclesiae PragensisSiglum: CZ-PLm 501 A 001Folios: 262rFolio: 262rSequence: 2Full text (or incipit): O martir ChristiGenre: SqRubrics: De uno martire vel confessoreFeast: Comm. unius MartyrisFeast (text): Comm. unius MartyrisCantus ID: ah09392Form: T