I went looking for
The majority of these images were engraved by Franz Huebner after drawings by Phillip von Stubenrauch of characters from Scott's novels. The costumes appeared in a themed parade at a ball in Vienna in 1826. The harpist and the woman who appears to be praying are undated lithographs (again, of Scott characters) by M. O'Connor.
The image collection in the Walter Scott Digital Archive consists of more than 400 etchings and engravings for the mostpart, housed within the burdensome Insight browser architecture. (previously)