- Ella Goodall Cooper, comp. 'Abdu'l-Bahá in California (1912/1918). — Over 1000 pages of notes from Abdu'l-Baha's visit to California in 1912, written between 1912-1918, ...
- Ahmad Sohrab. 'Abdul Baha in Egypt: The Diary of Ahmad Sohrab (1929). — A detailed record of three months of Abdu'l-Baha's time and activities in Egypt, July-September 1913...
- Paul E. Haney, Horace Holley, Corinne True. Ahmad Sohrab and the New History Society (1958-01-14). — Overview of the defection of Ahmad Sohrab and the formation of the "New History Society" and the "Ca...
- Ahmad Sohrab. Bahá'í Cause, The (1956). — Brief overview of the Baha'i Faith, with passing references to Sohrab's "New History Society."
- National Spiritual Assembly of the Bahá'ís of the United States. Basis of the Bahá'í Community, The: A Statement Concerning the New History Society (1941-11). — A statement on Ahmad Sohrab's activities and its trademark infringement case.
- Abdu'l-Bahá. Ahmad Sohrab, trans. Compilation of Utterances from the Pen of Abdul-Baha Regarding His Station (1906-12-26). — Compilation prepared in response to "different opinions and statements" regarding the station of Abd...
- Moojan Momen. Covenant, The, and Covenant-breaker (1995).
- Ahmad Sohrab. Diary of Ahmad Sohrab, The: Diary Letters and Notes (1913-1914). — Letters from Abdu'l-Baha's secretary during His travels to North America, written July 1913 - Oct 19...
- Ahmad Sohrab. Historical Context for the Prayer 'O God! Refresh and Gladden My Spirit...': Extract from the Diary of Ahmad Sohrab (1914-05-09). — Two page excerpt from the diary, dated May 9 1914, responding to these questions: what should Baha'i...
- Archie Bell. Meeting a Prophet (1915). — Book chapter containing three interviews with 'Abdu'l-Baha at the Sea of Galilee.
- United States National Spiritual Assembly vs. Mirza Ahmad Sohrab (1941). — In 1941 the National Spiritual Assembly unsuccessfully sued Covenant Breaker Mirza Ahmad Sohrab for ...
- Author unknown. Will and Testament of Abdul Baha, The: An Analysis, by Ahmad Sohrab: Review (1944-08-16).
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