M. W. Bloomfield, The seven Deadly Sins. An introduction to the history of a religious concept, with a special reference to medieval English literature, KATZENELLENBOGEN, Allegories of the Virtues and Vices in Medieval Art from Early Christian Times to the Thirteenth Century, 1939.

L. K. Little, Pobreza voluntaria y economía de beneficio en la Europa medieval, 1983.

D. Smail and . In, In the Grip of Sacred History, the Grip of Sacred History, pp.1337-1361, 2005.
DOI : 10.1086/ahr.110.5.1337

A. K. Lester and . Little-smith-college, États-Unis ELIANA MAGNANI Cnrs, Umr Artehis Interview avec Lester K. Little Bulletin du centre d'études médiévales d, 2013.