The Foreign Relations of the United States (FRUS) series presents the official documentary historical record of major U.S. foreign policy decisions. The series began in 1861 and now comprises more than 400 individual volumes. The FRUS series provides an indispensable resource for American citizens and others around the world who seek to understand U.S. foreign policy and strategic planning, international relations, economic affairs, and transnational social and cultural developments. The Foreign Relations series represents a longstanding effort to inform the public about governmental decision making while also protecting essential national security interests....
(For additional details on the history of the series, read more on the website for the US Department of State, Office of the Historian.)
The University of Wisconsin Digital Collections offers full-text access to the of Foreign Relations of the United States (FRUS) volumes from the beginning of the series (Abraham Lincoln in 1861) through the end of the Eisenhower Administration (1958-60).
The US Department of State, Office of the Historian offers full text for the Kennedy Administration (1961-1963) through the most recent volumes published for the Carter Administration (1977-1980).
Ottenheimer Library also has a significant portion of the set in hard copy, circulating volumes. They are shelved in the US Docs collection on the third floor, under US Doc S 1.1: year/volume. Some volumes will indicate a set of supplemental microfiche that can be requested from the Circulation Desk.