. "Catacomb of Priscilla" . . "Catacombs of Saint Sebastian" . "Catacombs of Rome" . "Frescoes from the Roman catacombs" . "[catacomb] cemetery of Callixtus" . . "Roman catacomb" . . . . "Domitilla Catacombs" . . "Roman Catacomb" . "Rome" . "Catacombs of Priscilla" . . . . "catacombs of Commodilla" . . . "Catacombs of Commodilla" . "catacomb of Rome" . "sepulchers" . . "San Sebastiano Catacombs" . "catacombs" . . "Catacombs_of_Rome#Christian_catacombs" . . "catacomb walls" . "Catacombs of" . . "catacomb of Commodilla" . "Catacombs of Rome" . "a network of catacombs" . "Catacombs of St Sebastian" . "Roman Catacombs" . . "cemetery of Callistus" . "Catacombs of Rome#Catacombs of Commodilla" . "Catacomb of Domitilla" . . "Catacomb" . "Catacombs" . . "those in Rome" . . "Catacombs of Praetextatus" . "catacombs of Rome" . . . . "several catacombs area" . . "cemetery of Praetextatus" . "allegedly secretly gathered" . "Jewish catacombs" . "catacomb" . . "Christian catacombs" . . "Jewish catacombs in Rome" . "Catacombs at Rome" . . . . "Catacomb of St. Callixtus" . "Roman catacombs" . "Catacombs of Domitilla" .