"The Carter Years". Behind the disappearances: Argentina's dirty war against human rights and the United Nations. University of Pennsylvania Press. 1990. p. 156. ISBN0812213130. Retrieved May 8, 2013.
Robert D. Kaplan (1995). "The Arabists". Arabists: The Romance of an American Elite. Simon and Schuster. p. 122. ISBN1439108706. Retrieved May 8, 2013.
See for example 15 FAM 235.2, which specifically refers to the foreign affairs agencies as "each Foreign Affairs Agency (U.S. Agency for International Development (USAID), Foreign Agriculture [sic] Service of the Department of Agriculture (FAS), and U.S. and Foreign Commercial Service of the Department of Commerce (US&FCS)) and the U.S. Defense representative."