The collection includes examples of the output of most significant American and British private presses operating during the late 19th and early 20th centuries including the Kelmscott Press, the Doves Press, the Vale Press, the Roycroft Press, the Ashendene Press, the Essex House Press, the Gregynog Press, the Eragny Press, the Shakespeare Head Press, the Golden Cockerel Press, the Nonesuch Press, the Book Club of California, and the Grolier Club.