Index Lectionum: A Comparative Table of Readings for the Ordinary and Extraordinary Forms of the Roman Rite (Paperback) (ISBN-13: 9781530230723)

Matthew P. Hazell holds a B.A. (Hons.) in Biblical and Applied Theology from the University of Wales (Bangor), UK, and an M.A. in Biblical Studies (Research) from the University of Sheffield, UK. He runs the website Lectionary Study Aids, and is a contributor to the New Liturgical Movement weblog, with a particular interest in the history of the 20th century liturgical reform. He currently lives in Sheffield with his wife, Lucy.

Peter A. Kwasniewski holds a bachelor's degree in liberal arts from Thomas Aquinas College in California and an M.A. and Ph.D. in philosophy from The Catholic University of America. He currently serves as Professor of Theology and choirmaster at Wyoming Catholic College. Kwasniewski has taught and written extensively on a wide variety of subjects, especially Thomistic thought, sacramental and liturgical theology, the history and aesthetics of music, and the social doctrine of the Church. He has published two books with The Catholic University of America Press and a volume of music for liturgical use, Sacred Choral Works (Corpus Christi Watershed, 2014). His latest book, Resurgent in the Midst of Crisis: Sacred Liturgy, the Traditional Latin Mass, and Renewal in the Church (Angelico Press, 2014), is being translated into eight languages.