Catacomben van Rome
The christian catacombs of rome: outline, history, importance as historical evidence of the life and martyrdom of the early church
http://www.catacombe.roma.it/indice_nl.html
Crypte onder de St Pieter
Crypte onder de St Pieter
http://www.stuardtclarkesrome.com/necrop.html
De Crypte van de pausen
De Crypte van de pausen
http://www.catacombe.roma.it/nl/cripta1.html