German strategic bombing during World War I

the end of World War II, "The United States Government has estimated that German forces and other Nazi agents before and during World War II had seized

（原始内容存档于2022-11-25） （英语）.  Knell, Herman. To Destroy A City: Strategic Bombing And Its Human Consequences In World War 2. Hachette Books. 2009-06-16 [2022-10-09].

employed in the strategic bombing of Japan. U.S. Air University, Air War College. 1976. ASIN B0006WCQ86.  67 Japanese cities firebombed in World War II （页面存档备份，存于互联网档案馆）

World War II (PDF). National Security Archive. [2012-01-03]. （原始内容存档 (PDF)于2012-01-27）.  Nagasaki Archive. Google Earth mapping of Nagasaki bombing archives

（原始内容存档于2020-12-21）.  Knell, Herman. To Destroy a City: Strategic Bombing and Its Human Consequences in World War II. Cambridge, Massachusetts: Da Capo Press. 2009