Artworks by Girolamo Pesce - Eighteenth-century Hungarian painting "Martyrdom of St. Januarius", with brief comments on the artist and subject. hungart.euroweb.hu/english/p/pesce/muvek/januariu.html
Catholic Encyclopedia - St. Januarius, bishop of Beneventum, martyr, believed to have died in the Diocletian persecution, c. 305. Article has a lengthy discussion of the liquefaction of the saint's blood. www.newadvent.org/cathen/08295a.htm
Patron Saints Index - Profile of St. Januarius. Illustrated. www.catholic-forum.com/saints/saintj30.htm
The Life and Art of Artemisia Gentileschi - Seventeenth-century painting of "The Martyrdom of Januarius in the Amphitheatre at Pozzuoli". www.ozemail.com.au/~drbrash/artemisia/martyr.html
The Monks of Adoration - Discussion of the liquefaction of the blood of St. Januarius. www.monksofadoration.org/Januarus.html