SEDANO, J. Gert MELVILLE – Johannes HELMRATH (eds.), The Fourth Lateran Council. Institutional Reform and Spiritual Renewal, Didymos-Verlag, Affalterbach 2017, 352 pp., ISBN 978-3-939020-84-4. Ius Canonicum, v. 58, n. 116, p. 885-890, 4 dic. 2018.