selected and edited by Eva Maria Hoyer and Olaf Thormann. selected and edited by Michael and Eleanor Brock. selected and edited by Richard Erdoes and Alfonso Ortiz. selected and edited by Helen Dukas and Banesh Hoffmann selected and edited by I. Bernard Cohen and Richard S. Westfall. selected and edited by Brian Johnston. selected and edited by Joel Porte, Saundra Morris. selected and edited by Robert Latham and William Matthews. selected and edited by Eleanor M. Johnson and Leland B. Jacobs selected and edited by Michael Baron.