found: Einhard. The history of the translation of the blessed martyrs of Christ, Marcellinus and Peter, 1926.
found: Book of saints,under Marcellinus and Peter (d. 304)
found: Officium parvum de gloriosis Christi martyribus Marcellino et Petro, [1697]
found: Wikipedia www site, 4 Oct. 2007:Marcellinus and Peter page (two 4th century Christian martyrs in Rome, died in 304)
found: Catholic Culture www site, 4 Oct. 2007:Liturgical Year - June 2 page (Sts. Marcellinus and Peter, two Roman martyrs who suffered under the Diocletian persecution ca. 303)