_
(Milan, 1904); M. Besnier, _Les Catacombes de Rome_ (Paris, 1909).

Among the older works are: Bosio, _Roma sotterranea_, Severano's
edition (1632), and Aringhi's edition (1651); Boldetti, _Osservazioni
sopra i cimiteri dei santi martiri_ (Rome, 1720); Bottari, _Sculture e
pitture sagre, &c._ (Rome, 1737-1754); Seroux d'Agincourt, _Histoire
de l'art par les monuments_ (Paris, 1823; German ed., 1840); G.
Marchi, _Monumenti delle arti cristiane primitive_ (Rome, 1844); Raoul
Rochette, _Tableau des catacombes de Rome_ (2nd ed., Paris, 1853);
Perret, _Les Catacombes de Rome_ (Paris, 1855)--a sumptuous folio
work, but not always accurate, Roller, _Les Catacombes de Rome_
(Paris, 1881); V. Schultze, _Die Katakomben_ (Leipzig, 1882).

Works written in English are: Northcote and Brownlow, _Roma
sotterranea_ (London, 1869; based upon De Rossi); Wharton Marriott,
_The Testimony of the Catacombs_ (London, 1870); J.H. Parker, _The
Archaeology of Rome: the Catacombs_; Smith and Cheetham, _Dictionary
of Christian Antiquities_, s.v. "Catacombs"; R. Lanciani, _Pagan and
Christian Rome_ (London, 1892); W. Lowry, _Christian Art and
Archaeology_, ch. ii. (London, 1901; a useful introduction to the
subject); H. Gee, "The Church in the Catacombs," in W. Lefroy's
_Lectures in Ecclesiastical History_ (1896); Th. Mommsen, in the
_Contemporary Review_, May 1871.

Accounts of the catacombs will also be found in the encyclopaedias and
manuals published under the following names: Martigny, Perate, F.X.
Kraus (_Realencyklopadie_ and _Geschichte der christlichen Kunst_),
Reusens, V. Schultze and C.M. Kauffmann, and in the large new
_Dictionnaire d'archeologie chretienne et liturgie_, published at
Paris under the editorship of Dom F. Cabrol.

The catacombs at Naples are described in C.F. Bellermann, _Uber die
altesten christlichen Begrabnisstatten und besonders die Katakomben zu
Neapel_ (Hamburg, 1839); Armellini, as above, and V. Schultze, _Die
Katakomben von San Gennaro dei Poveri in Neapel_ (Jena, 1877).

For the catacombs in Malta, A.A. Caruana, _Ancient Pagan Tombs and
Christian Cemeteries in the Islands of Malta_ (Malta, 1898), and A.
Mayr, "Die altchristlichen Begrabnisstatten auf Malta," in _Romische
Quartalschrift_, vol. xv. pp. 216 and 352 (Rome, 1901), may be
consulted.

The fullest account of the Sicilian catacombs is given by J. Fuhrer,
_Forschungen zur