Presented at the Irfan Colloquia Session #30, Louhelen Bahá'í School (October 6-8, 2000).
Mirrored with permission from irfancolloquia.org/30/bayat_haykal.
Documents posted between 2003-2012 had slightly different URLs and can be found in archive.org with addresses like bahai-library.com/?file=bayat_surat_haykal.