From Strength to Strength : The First Half Century of the Formative Age of the Bahá'í Era 

 - New Delhi :   Bahá'í Publishing Trust  1979 
 - 74 p. 
<br/><br/>This brief history of the Formative Age of the Baha'i Faith was written at the request of The Universal House of Justice and will be included in a forthcoming edition of the Baha'i World. It is dedicated to all Baha'is whose lives have been woven into the tapestry of this half century of service to the Faith of Baha'u'llah and to those  who will arise today and tomorrow to give of their love and devotion to future victories in the unfolding life of the Cause of God. 
<br/><br/> Historical essay on the Bahá'í Faith from 1921 to the 1970s. 
<br/><br/><label>ISBN: </label>0-87743-125-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History--Baha'i Faith<br/>Formative Age--Baha'i Faith<br/>Epochs--Baha'i Faith