Columbia subject headings:
Christian martyrs--Bibliography.
Christian saints in art--Bibliography.
Christian saints--Bibliography.
Harvard subject headings:
Christian martyrs in art--Bibliography.
Christian martyrs in art.
Christian martyrs--Bibliography.
Christian saints in art--Bibliography.
Christian saints--Bibliography.
Four Crowned Martyrs in art.
Four Crowned Martyrs--Bibliography.
Santi Quattro Coronati (Basilica : Rome, Italy)--Art.
Santi Quattro Coronati (Basilica : Rome, Italy)--Bibliography.
Princeton subject headings:
Christian martyrs in art--Bibliography.
Christian martyrs--Bibliography.
Christian saints in art--Bibliography.
Christian saints--Bibliography.
Four Crowned Martyrs in art.
Four Crowned Martyrs--Bibliography.