Le crépuscule de la chevalerie : un coup d'oeil au monde de la noblesse et de la chevalerie interlopes /
Gayre of Gayre and Nigg, Robert,1907-1996.
Engel, Claire Eliane.
Paris : F. Lanore,
1975.
Originally published as The knightly twilight.
Orders of knighthood and chivalry.