This essay was first written for and published in the October 1968 Baha'i News, pages 8-12. Later published by Bahá'í Publishing Trust India (197?) and Baha'i Publishing Trust Wilmette (1974).
Documents posted between 2003-2012 had slightly different URLs and can be found in archive.org with addresses like bahai-library.com/?file=faizi_symbol_greatest_name.
Documents posted prior to October 2003 were at bahai-library.org [archive.org] and had completely different URLs.