Sein Hauptentzücken jedoch bildete das Studium eines sehr seltenen und seltsamen Buches in gotischem Quartformat – einem Handbuch einer vergessenen Kirche –, des ›Vigiliae Mortuorum secundum Chorum Ecclesiae Maguntinae‹.
His chief delight, however, was found in the perusal of an exceedingly rare and curious book in quarto Gothic—the manual of a forgotten church—the Vigiliæ Mortuorum Secundum Chorum Ecclesiæ Maguntinæ.