Lives of the Saints by Alban Butler.
Lives of the Saints by Sabine Baring-Gould.
The Liturgical Year by Dom Guéranger.
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.
Writings by Saint Paulinus of Nola
Letters of Saint Paulinus of Nola volume I and volume II. Letter 32 is especially notable for its extensive description of the church dedicated to Saint Felix and letter 27 which describes a pictorial cycle in the church
Poems of Saint Paulinus (see also the Feast Day of Saint Felix, to whom many of these poems are dedicated).
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.