Encyclopædia Britannica: Damasus I - An unflattering portrait of the pope. In the 11th edition (1911). - http://encyclopedia.jrank.org/DAH_DEM/DAMASUS_I.html
Pope Saint Damasus I - Hagiography by William A. Jurgens. With prayer. - http://www.catholic.org/saints/saint.php?saint_id=41
St. Damasus I - Short biography by Joseph Brusher. - http://www.cfpeople.org/Books/Pope/POPEp37.htm
The Ecole Glossary: Damasus I - Brief biography, by Karen Rae Keck. - http://www2.evansville.edu/ecoleweb/glossary/damasusi.html
St Damasus, Pope, Confessor - From Butler's Lives of the Saints. - http://www.ewtn.com/library/MARY/DAMASUS.htm
Pope St. Damasus I - Damasus, who had to contend with an antipope, condemned Apollinarianism, and persuaded St. Jerome to undertake the revision of the Latin Bible, died in 384. - http://www.newadvent.org/cathen/04613a.htm
Pope Damasus I - Illustrated profile. - http://www.catholic-forum.com/saints/saintd10.htm