By Romme, Marius, Escher, Sandra
By Linda Pacha
By Lee, Alan
By Studs Terkel
By Thorwald Dethlefsen; Rüdiger Dahlke
By Grant, Linda
By Palmer, Bob
By Seligman, Martin E.
By Adedeji, Adebayo
By Thomas, Jeremy, Hughes, Tony
By Button, Eric
By Paterson, Kathleen
By Katona, Cornelius, Cooper, Claudia, Robertson, Mary
By Michael J. Murphy, Ronald Cowan
By Sanders, Peter
By Peck, M. Scott
By Kübler-Ross, Elisabeth