Schatzkammer: Henry Walters' German Manuscripts. The Walters Art Museum, Baltimore. 2006.
Freising, Germany, ca. 865-875; Germany, 19th century; Leon Gruel and Robert Engelmann, Paris, late 19th-early 20th century [mode of acquisition unknown, no.78]; Henry Walters, Baltimore, February 19, 1917 [mode of acquisition unknown]; Walters Art Museum, 1931, by bequest.