The William Blake Collection consists of more than 200 titles of which the majority are facsimiles of Blake's works or privately-printed reprints and editions containing facsimiles of the illustrations. The collection also forms part of a larger collection devoted to joint painter-illustrator-author books that include followers of Blake, e.g. Palmer & Calvert, William Morris, Eric Gill, and David Jones.
One of the highlights of the William Blake Collection is the 1951 Trianon Press edition of William Blake's Jerusalem. An interesting article about the University of Waterloo's copy of this book and the story of its restoration by the McMaster Preservation and Restoration unit is: "The Deterioration of the 1951 Blake Trust Jerusalem", by Dena Bain Taylor (Blake: an Illustrated Quarterly, Fall 1989, p. 75-78).