From A Bibliography of Alexandre Dumas père by Frank Wild Reed: This picturesque chronicle is of 768 to 814 A.D.
Its first appearance seems to have been with "Lyderic."
Next included in the last volume of "Trou de l'Enfer" in 1850.
First illustrated edition: Marescq, Paris, 1856, 4to., with vignettes by J. A. Beaucé.
Now in "Les Hommes de Fer." (See page 421.)