Jablonski, Edward Double strike : the epic air raids on Regensburg Schweinfurt, August 17, 1943 / Edward Jablonski - Garden City, New York : Doubleday, 1974 - 271 p. : ill. ; 22 cm. Bibliography : p. 251-252 ISBN: 0385075405 Subjects--Geographic Terms: Regensburg (Germany)--History--Bombardment--1943-Schweinfurt (Germany)--History--Bombardment--1943-