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.
Sermons for Children’s Masses, According to the Sundays and Principal Festivals of the Year by Raphael Frassinetti.
Ancient and Medieval Mariology
A later tradition in Protoevangelium of James, but a source for details in many depictions of the Annunciation (scroll down to XI, incorrectly labeled as XL).
Art & Architecture
Icon at the Monastery of Saint Catherine at Mount Sinai (scroll down, although its wonder cannot be captured with photography, slightly higher resolution here).
Legends of the Madonna as Represented in the Fine Arts by Mrs. Jameson.
The Gospel in Art by Albert Bailey.
Sacred Symbols in Art by Elizabeth Edwards Goldsmith.
Meditations for the Use of the Secular Clergy by Pierre Chaignon.
Manna for the Soul: Meditations for Every Day of the Year by Paulo Segneri.
Meditations on the Life, the Teaching and the Passion of Jesus Christ for Every Day of the Ecclesiastical Year with an Appendix of Meditations for the Festivals of Various Saints by Augustin Maria Ilg.
Meditations for All the Days of the Year by M. Hamon.
The Church Seasons Historically and Poetically Illustrated by Alexander H. Grant.