The Revelation of Baha'u'llah, Vol. 4 > Editions
by Adib Taherzadeh First published December 31st 1976
Published January 15th 1988
by George Ronald
Hardcover, 508 pages
Published 2009
by George Ronald
Paperback, 492 pages
Published January 1st 1995
by Bahá'í-Verl
Hardcover, 547 pages