See also two newer versions of this article, The Bahá'ís of the United States.
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=stockman_encyclopedia_usa.
Documents posted prior to October 2003 were at bahai-library.org [archive.org] and had completely different URLs.