május 29.) Rumsfeld Was Nation's Youngest, Oldest Defense Secretary. UnitedStates Department of Defense , 2021. június 30. [2021. július 2-i dátummal az
"Case Concerning the Aerial Incident of July 3, 1988: v. 1: Islamic Republic of Iran v. UnitedStatesof America", United Nations, ISBN 92-1-070845-8. Rochlin
Hadtörténeti Gyűjtemény Foreign relations of the UnitedStates. Conferences at Malta and Yalta, 1945 Protocol of proceedings of Crimea Conference MilitaryHistoryOnline
M. Bach: History of the Fremont National Forest. (angolul) Lakeview (Oregon): UnitedStates Department of Agriculture – UnitedStates Forest Service. 1981