its Founder . Scepter. — online here Coverdale, John F. (2010). Putting Down Roots: Father Joseph Muzquiz and the Growth of Opus Dei, 1912-1983 . New York, New York : Scepter Publishers . pp. 152. ISBN   978-1-59417-081-2 . http://books.google.com/books?id=XW4xCZqrOdsC .   De Plunkett, Patrice (2006). L'Opus Dei : enquête sur le "monstre" . Presses