Roger Chickering
The Great War and Urban Life in Germany: Freiburg, 1914-1918
United States of America karimba ŋun nyɛ doo
American historian of the German Empire and World War I
مؤرخ من امريكا
Amerikaans historicus
Historian, author
US-amerikanischer Historiker
تاریخ‌نگار آمریکایی