Columbia subject headings:
Hitler, Adolf, 1889-1945--Assassination attempts.
Schenk von Stauffenberg, Klaus Philipp, Graf, 1907-1944.
Harvard subject headings:
Hitler, Adolf, 1889-1945--Assassination attempt, 1944 (July 20)
Schenk von Stauffenberg, Klaus Philipp, Graf, 1907-1944
Princeton subject headings:
Hitler, Adolf, 1889-1945--Assassination attempts.
Schenk von Stauffenberg, Klaus Philipp, Graf, 1907-1944.