Foreign Relations of the United States, 1969-1976, Volume XXXIV, National Security Policy, 1969-1972
http://history.state.gov/historicaldocuments/frus1969-76v34
Focuses on U.S.-Soviet Union relations from 1969 to 1972 and the Nixon administration’s efforts to grapple with the Soviet achievement of strategic military parity with the U.S. Also focuses on chemical and biological weapons policy and the transition from military conscription to an all-volunteer force. From the State Department.