. . . . . . . . . . . "United States v. John N. Mitchell, Harry R. Haldeman, John D. Ehrlichman, Robert C. Mardian, Kenneth W. Parkinson : criminal no. 74-110" . "United States v. John N. Mitchell, Harry R. Haldeman, John D. Ehrlichman, Robert C. Mardian, Kenneth W. Parkinson"@en . . . "1972 - 1974" . .