He is the first notable example of a printer getting into touch with a contemporary author, and regularly printing all his works, the author in this case being Werner Rolewinck, a Carthusian of Cologne, who wrote sermons and historical works, including the fasciculus Temporum, an epitome of history, which found much favour all over Europe.
"Fine Books"
Alfred W. Pollard
It is a collection of independent maxims, tied together into a fasciculus by the printer, but having no natural order or logical dependency; generally so vague as to mean nothing.
"Biographical Essays"
Thomas de Quincey
14. 226 Ignatius von Antiochien, 1873; and Prolegomena to the Patrum Apostolicorum opera, by de Gebhardt, Harnack, and Zahn, fasciculus, ii.
"The Canon of the Bible"
Samuel Davidson