—two canonists and a theologian study the juridical nature and history of Opus Dei
O'Connor, William: Opus Dei: An Open Book. A Reply to the Secret World of Opus Dei by Michael Walsh, Mercier 1991
—a 5-year research in 10 countries conducted by a senior journalist and deputy editor of the Australian
John Coverdale: Uncommon Faith: The Early Years of Opus Dei, Scepter Publications, 2002.
—professor of anthropology explains various aspects of Opus Dei
François Gondrand, At God's Pace, Scepter 1989.
José Orlandis, Mis recuerdos: primeros tiempos del Opus Dei en Roma Rialp, 1995
—an ecclesiological and theological study of Opus Dei
—a study of an Italian essayist
Antonio Viana, “Law and spirit: on the 20th anniversary of the establishment of Opus Dei as a Personal Prelature,” Number 36, January–June 2003, Romana.
Joaquin Navarro Valls. . Information Office of Opus Dei on the Internet.
Allen, John, Jr.. , Doubleday Religion. — book written after 300 hours of interviews by a journalist of National Catholic Reporter, a left leaning newspaper; link refers to a summary Q&A
Allen, John, Jr.. , , , - 4 on-line excerpts from John Allen's Opus Dei
Allen, John, Jr.. . An Interview with John Allen, by Edward Pentin. Newsweek. — a short summary of his book
Allen, John, Jr.. . An Interview with John Allen, by John Romanowsky. Godspy.
E.B.E - . An historical and theological study by a former member. It includes unpublished historical documents. and ASIN: B01D5MNGD2. Online Preview on Amazon website
—an investigation done by a journalist
—the first serious study on Opus Dei to be published, written by a French journalist
Silver, Vernon; Smith, Michael. 30 April 2006. . Bloomberg News.
Economic Times..
Deborah Dundas..
Brancoli, Rodolfo. . Liberal. — "The Phantom of the Opus ": story of an aversion that is turning into understanding." An article in a left-of-centre Italian magazine
Gaspari, Antonio. . Inside the Vatican. Provided courtesy of EWTN
Goodstein, Laurie. . New York Times.
Howse, Christopher. . Tablet.
Introvigne, Massimo. . Cristianità, 229, p. 3-12.
König, Franz Cardinal. . Corriere della Sera.
Luciani, Albino Cardinal . . Il Gazzettino Venice.
Martin, James, S.J.. . America Magazine.
Martins, José Saraiva.. . L'Osservatore Romano.
— an investigation done by the journalist behind and the
Neuhaus, Richard John. . First Things, 57, p. 71-87.
Ratzinger, Joseph Cardinal . . L'Osservatore Romano Weekly Edition in English, p. 3.
Royal, Robert. . First Things. 83, p. 56-59.
— the first serious study on Opus Dei to be published, written by a French journalist
Graham, Robert. 1984. Spain. Change of a Nation. London: Michael Joseph.
Gunther, Richard. 1980. Public Policy in a No-Party State. Spanish Planning and Budgeting in the Twilight of the Franquist Era. Berkeley, CA: University of California.
Gunther. Richard. 1980. Public Policy in a No-Party State. Spanish Planning and Budgeting in the Twilight of the Franquist Era. Berkeley: University of California.
Paredes, Javier, Historia contemporánea de España, Ariel Historia, Barcelona 1998.
Payne, Stanley G. 1999. Fascism in Spain. 1923-1977. Madison, WI: Wisconsin University.
Preston, Paul. 1990. The Politics of Revenge. Fascism and the Military in Twentieth-Century Spain. London. Unwin Hyman.
Preston, Paul. 1993. Franco. A Biography. London: HarperCollins.
Salgado Araujo, Francisco Franco, Mis conversaciones privadas con Franco, Col. Espejo de España, Ed. Planeta, 1976.
Tusell, Javier. Manual Historia de España: Siglo XX, Historia 16, Madrid, 1990.
Various Authors,, Franquismo y transición democrática: Lecciones recientes de Historia reciente de España, Centro de Estudios de Humanidades, Las Palmas de Gran Canaria, 1993.
In Spanish
Francisco Ponz,
Flavio Capucci,
Dominique Le Tourneau,
William West,
Pedro Casciaro,
Manuel Monteiro de Castro, - Testimony of the Nuncio of Spain
