Michael Paul Driskel, As Befits a Legend : Building a Tomb for Napoleon, 1840-1861, Kent (Ohio)/London, Kent State University Press, 1993, 251 p. (ISBN0-87338-484-9, read online), p. 54-55.
[The town's municipal archives mention the name "Hussac", this is actually a misreading of the signature at the time of filing]. "Mettre un nom sur une statue", on William Chevillon