About Robert B. Desjardins Robert B. Desjardins is an independent scholar and a graduate writing advisor at the University of Alberta. Books by Robert B. Desjardins The Arras Witch Treatises Johannes Tinctor's Invectives contre la secte de vauderie and the Recollectio casus, status et condicionis Valdensium ydolatrarum by the Anonymous of Arras (1460) edited and translated by Andrew Colin Gow, Robert B. Desjardins & François V. Pageau