In the design of the arms of the University of Chicago, "a further study of this design brought forth the objection of English heralds that the position of the book was illogical, that although the phoenix could not be consumed by the flames, the book would be." Ergo, it was determined to put the book in chief.
https://books.google.com/books?id=lCnOA ... ef&f=false
In 2012, Chicago modified its arms, to this:
http://communications.uchicago.edu/identity/logo
