"Daniel Roth" (به فرانسوی). Association pour le rayonnement des orgues Aristide Cavaillé-Coll de l’église Saint-Sulpice (Paris). Retrieved July 4, 2018.
In 1655 Louis Le Vau submitted a design, essentially an augmentation of Gamard's project, but Gittard's proposal, in its turn largely based on the plans of Gamard and Le Vau, was preferred (Himmelfarb 1998; Ayers 2004, p. 126).
