Valerie Hotchkiss is the head of the Rare Book and Manuscript Library at the University of Illinois, Urbana-Champaign and coeditor, with Jaroslav Pelikan, of "Creeds and Confessions of Faith in the Christian Tradition." Fred C. Robinson is the Douglas Tracy Smith Professor Emeritus of English and a librarian of the Elizabethan Club at Yale University, and he is the author of "The Editing of Old English."