O thou sign of Guidance! Thank God that thou hast advanced from the region of darkness toward the center of Lights and after crossing the desert
DAS.Diary notebooks and letters of Mirza Ahmad Sohrab, Dec. 1912 – Jun. 1915. English and Persian diary notebooks and letters held in the U.S. National Bahá’í Archives. Often quoted in other sources such as SW. Catalog entries are indexed by date and include only the English notebooks and letters. Letters from 1 Jul 1913 through 19 Oct. 1914 found here: https://bahai-library.com/sohrab_diary_letters_1913-1914
BLO.Bahá’í Library Online (www.bahai-library.com). Private, independent repository of Bahá’í-related resources including provisional translations (BLO_PT) and pilgrims’ notes (BLO_PN). Numbering follows the 16 Nov 2019 snapshot available at https://web.archive.org/