Fenby, Jonathan. The International News Services (1986)
Gramling, Oliver. AP, The Story of News (1940)
Kenny, Peter. "News agencies as content providers and purveyors of news: A mediahistoriographical study on the development and diversity of wire services" (MPhil Diss. University of Stellenbosch, 2009) online, with a detailed bibliography pp 171–200
Morris, Joel Alex. The Deadline Every Minute: The Story of the United Press (1957)
Paterson, Chris A., and Annabelle Sreberny, eds. International news in the 21st Century (University of Luton Press, 2004)
Putnis, P. "Reuters in Australia: the supply and exchange of news, 1859-1877" Media History (2004). 10#2 pp: 67-88.
Read, D. The power of news, the history of Reuters (Oxford UP, 1992).
Schwarzlose, Richard Allen. The American wire services: a study of their development as a social institution (1979)
Stephens, M. A history of news (3rd ed. Oxford UP, 2007).
Sterling, C. H. "News agencies." in Encyclopedia of international media and communications (2003) 3: 235-246.
Storey, Graham. Reuter's Century (1951)
Xin, X. "A developing market in news: Xinhua News Agency and Chinese newspapers" Media, Culture & Society (2006) 28#1 pp. 45-66.