|←Author Index: Ma||Pope Marcellus I
|Pope from May 308 to January 309|
- Two letters in Patrologia Latina, vol. IV
Works about Pope Marcellus
- “Pope St. Marcellus I,” in Catholic Encyclopedia, 1913.
- “Marcellus, bp. of Rome” in A Dictionary of Christian Biography and Literature, 1911
- “Marcellus (popes)” in Encyclopædia Britannica, (11th ed.), 1911