found: Hirt, A. Osservazioni istorico-architettoniche sopra il Panteon, 1791.
found: LC data base, 03-06-91(hdg.: Rome (City). Pantheon)
found: Enc. Brit., 1982(Pantheon, famous bldg. in Rome; begun in 27 B.C. by the statesman Marcus Vipsanius Agrippa; rebuilt by the emperor Hadrian ca. 118-119 A.D.; dedicated in 609 A.D. as the church of Sta. Maria Rotonda, which it remains today)
found: Cath. enc.:v. 13, p. 170 (S. Maria ad Martyres, the Pantheon) index (Santa Maria ad Martyres, church, Rome; ref. from Santa Maria Rotonda, church, Rome)