Daily and Weekly Worship(1st Edition) Jewish and Christian (Alcuin/GROW Liturgical Study 1) by Roger T. Beckwith Paperback, 40 Pages, Published 1987 by Grove Books ISBN-13: 978-1-85174-048-2, ISBN: 1-85174-048-1
Calendar, Chronology And Worship Studies in Ancient Judaism And Early Christianity (Ancient Judaism and Early Christianity/Arbeiten Zur Geschichte Des Antiken Judentums Und Des Urchristentums) by Roger T. Beckwith Hardcover, 262 Pages, Published 2005 by Brill Academic Pub ISBN-13: 978-90-04-14603-7, ISBN: 90-04-14603-2