See also Problems of Chronology in Bahá'u'lláh's Tablet of Wisdom (J. Cole 1979),
Tablet of Wisdom Questions and Answers ('Abdu'l-Bahá 1906),
Miscellaneous philosophy topics (J. Walbridge 2002),
Letters Written on Behalf of the Guardian (Universal House of Justice 2007), and
Further Comments on a Passage of the Lawh-i-Hikmat (A. Egea 2009).
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=terry_chronological_issues_hikmat.