Lives of the Saints by Alban Butler.
Lives of the Saints by Sabine Baring-Gould.
Our Birthday Bouquet Culled from the Shrines of the Saints and the Gardens of the Poets by Eleanor C. Donnelly.
Pictorial Half Hours with the Saints by Auguste François Lecanu.
His life written by friend Paul Alvarus, not in the public domain, but eventually – Carleton M. Sage. Paul Albar of Córdoba: Studies on His Life and Writings. Washington, D.C.: The Catholic University of America Press, 1943.
Writings of Saint Eulogius
Art & Architecture
The Saints in Art by Joseph Maria von Radowitz.
Emblems of Saints by Which They Are Distinguished in Works of Art by F. C. Husenbeth.