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
Calendar and Chronology, Jewish and Christian Biblical, Intertestamental and Patristic Studies (Arbeiten Zur Geschichte Des Antiken Judentums Und Des Urchristentums, Bd. 33.) by Roger T. Beckwith Paperback, 333 Pages, Published 2001 by Brill Academic Publishers ISBN-13: 978-0-391-04123-3, ISBN: 0-391-04123-1
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