edited by Evelyn Brister and Robert Frodeman. edited by Karen Leeder and Robert Vilain. edited by Chris Hunter and Robert Klanten. edited by Jochen Bo?hler and Robert Gerwarth. edited by Sandra Spanier and Robert W. Trogdon. edited by David C. Roller and Robert W. Twyman edited by Albert Kriemler and Peter Kriemler edited by Roy Sieber and Frank Herreman edited by Patrick Pardo and Robert Dean. edited by Sally M Foster and Morag Cross