Peace As NonviolenceEgon Spiegel, George Mutalemwa, Cheng Liu, Lester Kurtz · First published 2024Open the Tome
Frieden Als Katholische AufgabeCarsten Barwasser, Thomas Nauerth, Egon Spiegel · First published 2022Open the Tome
Peace Studies for Sustainable Development in AfricaEgon Spiegel, George Mutalemwa, Cheng Liu, Lester R. Kurtz, Lacina Yéo · First published 2022Open the Tome
Verantwortete ExegeseFranz Georg Untergassmair, Gerhard Hotze, Egon Spiegel · First published 2006Open the Tome
