Peter Von Sivers

• Patterns of world history
• Sources for Patterns of World History: Volume Two Since 1400
• POWH Dashboard ACC
• Respublica Christiana
• Sources for Patterns of World History
• Khalifat, Königtum und Verfall
• Patterns of World History with Sources
• Patterns World History, Single Volume Edition
• Patterns World History, Volume I
• Patterns World History, Volume II