- 2017. Promoting Peace: 100 Years of the Baha'i Faith in Santa Paula, California, 1914-2014. Anne King Sadeghpour. — Detailed history of the community in southern California, including references to Marzieh Gail, Ethe... Books.
- 1995. Brittingham, Isabella. Robert Stockman. Encyclopedia.
- 1919-01-28. Letter to Grace Holley. Abdu'l-Bahá, Shoghi Effendi, trans. . — Short message of greeting and praise. Letters.
- 1916-04-16. Letter to Isabella Brittingham on Reincarnation and Return. Edward C. Getsinger. — A letter written by Getsinger read before the Washington D.C., Baha’i Assembly, April 16, 1916, to... Letters.
- 1902-02. Revelation of Bahaullah in a Sequence of Four Lessons, The. Isabella D. Brittingham, comp. — One of the earliest English-language histories of the Faith, written to prove the truth of Baha'u'll... Books.
- 1898-1958. Pilgrim Accounts Collection: Compilation of 253 Pilgrims Notes. Various. — Adaptation of an archive of 253 accounts. Most of these are already online at this site, in either o... Pilgrims.
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