The Homeland Security Digital Library (HSDL) consists of documents related to homeland security policy, strategy, and management. Sources include federal, state, and local governments, IGOs, nonprofit and private sector entities, and think tanks and research centers. The public part of the collection includes over 79,000 public domain items; Yale researchers have access to the full collection of 157,000 items.
Foreign Relations of the United States (FRUS)
"The Foreign Relations of the United States series presents the official documentary historical record of major U.S. foreign policy decisions and significant diplomatic activity. The series, which is produced by the State Department's Office of the Historian, began in 1861 and now comprises more than 450 individual volumes. The volumes published over the last two decades increasingly contain declassified records from all the foreign affairs agencies." (U.S. Department of State, Office of the Historian)