Carnegie Endowment for International Peace, established by Andrew Carnegie in 1910, is a private, nonprofit organization dedicated to advancing cooperation between nations and promoting active international engagement by the United States. The files document the activities of the New York and Washington Offices of Carnegie Endowment for International Peace from 1910 until 1954, as well as the founding, administration, and activity of the Centre Europeen (CEIP Paris Office) and the work of the Carnegie Endowment in Europe in 1911-1940