Compiled by Beatrice Ashton from letters of the Guardian to the 12 NSAs and their annual conventions of April and May, 1953, and from the Guardian's Statistical Information and Supplement on the Ten Year Teaching Plan.
See also Index to Maps and charts in Bahá'í World volumes.
Documents posted between 2003-2012 had various slightly different URLs and sometimes can be found in archive.org with addresses like bahai-library.com/file.php5?file=chart_tasks_10-year_crusade.
