B. E. Borg, „Peter and Paul ad catacumbas: a Pozzolana Mine Reconsidered“, in The Economy of Death: New Research on Collective Burial Spaces in Rome from the Late Republic to the Late Roman Time: Panel 7.2, N. Zimmermann und T. Fröhlich, Hrsg. Heidelberg: Propylaeum, 2022, S. 45–58. doi: 10.11588/propylaeum.894.c11634.