men, the architect intrusted with the preservation of the building, who did not hesitate to lend me the works of Charles Garnier, although he was almost sure that I would never return them to him. Lastly, I must pay a public tribute to the generosity of my friend and former collaborator, M. J. Le Croze, who allowed me to dip into his splendid theatrical library and to borrow the rarest editions of books by which he set great store.

Gaston Leroux.