About Katherine O'Brien O'Keeffe Katherine Oâ??Brien Oâ??Keeffe is a professor in the Department of English and the director of the Medieval Studies Program at the University of California, Berkeley. Books by Katherine O'Brien O'Keeffe Latin Learning and English Lore (Volumes I & II) Studies in Anglo-Saxon Literature for Michael Lapidge edited by Katherine O'Brien O'Keeffe & Andy Orchard