Bibliography
Joseph
De Backer s. xix2–xx
1894
work
De Smedt, Charles, Joseph De Backer, Francisco Van Ortroy, Joseph Van den Gheyn, Hippolyte Delehaye, and Albert Poncelet, Acta sanctorum, 68 vols, vol. 63: November I, Brussels, 1894.
November, part 2 (Nov 3, 4): Martyrologium Hieronymianum
Internet Archive: <link>
November, part 2 (Nov 3, 4): Martyrologium Hieronymianum
1888
work
De Smedt, Charles, and Joseph De Backer, Acta Sanctorum Hiberniae ex codice Salmanticensi, Edinburgh and London, 1888.
Münchener DigitalisierungsZentrum – scanned copy: <link>
1887
work
De Smedt, Charles, Guillaume Van Hoof, and Joseph De Backer, Acta sanctorum, 68 vols, vol. 62: November I, Paris, 1887.
November, part 1 (Nov 1, 2, part of 3).
Internet Archive: <link>
November, part 1 (Nov 1, 2, part of 3).