George Rouault's Miserere, 1964 ↑ Jazz Age Catholicism by Stephen Schloesser, pgs 213-244 ↑ Locating Renaissance Art, Volume 2 edited by Carol M. Richardson, pgs 143-144 ↑ The American Catholic Quarterly Review, Volume 41, pgs 312-313 ↑ Religious art in the nineteenth century in Europe and America, Book 1 by Thomas Buser, pg 61 ↑ Gietmann, Gerhard (1912). "Friedrich Wilhelm Schadow". In Herbermann, Charles.