H. M. Balyuzi notes that this book has "copious references to the Bábí and the Bahá'í Faith"; see E.G. Browne and the Bahá'í Faith at scribd.com.
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=browne_literary_history_four.