Vincentian Marian Youth International Book of Prayer by John Freund, CM | Mar 2, 2010 | Vincentian Family, Vincentian Marian Youth The international site of the Vincentian Marian Youth (JMV) has a link (no longer active) to theirĀ JMV BOOK OF PRAYERS VINCENTIAN MARIAN YOUTH. Related Tags: JMV, Youth