From A Bibliography of Alexandre Dumas père by Frank Wild Reed: A biography of the Vicomte Henri de Ruolz, a musical composer and chemist.
It first appeared as a pamphlet: Paris, Dupont, 1843, 8vo., pp. 24.
In the same year it formed the prefatory matter of "La Villa Palmieri;" Paris, Dolin, 2 vols., 8vo., where it occupied pp. i. to lxvi. (Pp. lxvi., 279, 339.)
This piece is not to be found in the standard editions of "La Villa. Palmieri," nor in Le Vasseur's "Alexandre Dumas Illustré."