McCulloch, Kenneth (1996-01-08). "Obituary of Knight of Baháʼu'lláh Mary Zabolotny McCulloch". Essays and Internet Postings. includes letters from the Universal House of Justice and National Spiritual Assembly of Canada. Baháʼí Library Online. Retrieved 2008-04-19.
"Bahá'í media". Bahai.ua (in Ukrainian). Національні Духовні Збори Бахаї України, secretariat@bahai.org.ua. 2020. Retrieved Mar 11, 2022.
bahai.works
"The Bust of 'Abdu'l-Bahá". Baha'i World. A Biennial International Record. Vol. 7 (reprint ed.). New York, NY: Bahá’í Publishing Committee. 1980 [1939]. pp. 786–7.
"Activities in Paris". Baha'i World. A Biennial International Record. Vol. 7 (reprint ed.). New York, NY: Bahá’í Publishing Committee. 1980 [1939]. pp. 102–3.
Betty Fisher; Arash Abizadeh; Monireh Kazemzadeh; Diane Lotfi; Kevin Morrison; Robert Stockman; Jim Stokes, eds. (2001). "Interchange". World Order. 2. Vol. 32, no. 4. p. 5. Retrieved Mar 11, 2022.
Vita Tytarenko; Liudmyla Fylypovych; Larysa Vladychenko (January 2022). "Manuscript 2340; Scholarly Study of Religion in Ukraine". Occasional Papers on Religion in Eastern Europe (in English and Ukrainian). 12 (3). Newberg, Oregon: Christianity Commons and the Eastern European Studies Commons, George Fox University: 1–18. Retrieved Apr 28, 2022.
Gregg Patton (20 Sep 1993). "Religion directs collegian's travels". The San Bernardino County Sun. San Bernardino, California. pp. 9, 11. Retrieved Mar 11, 2022.
"Most Baha'i Nations (2010)". QuickLists > Compare Nations > Religions >. The Association of Religion Data Archives. 2010. Archived from the original on April 27, 2022. Retrieved Mar 10, 2022.
tureligious.com.ua
Ivan Gudzenko (July 10, 2018). Dmitruk Ihor Anatoliyovych (ed.). "Абдул-Баха — життя та діяльність". tureligious.com.ua (in Ukrainian). Retrieved Mar 11, 2022.
"Most Baha'i Nations (2010)". QuickLists > Compare Nations > Religions >. The Association of Religion Data Archives. 2010. Archived from the original on April 27, 2022. Retrieved Mar 10, 2022.
Egea, Amín (2018). The Apostle of Peace; 1871-1921. A Survey of Reference to 'Abdu'l-Bahá in the Western Press. Vol. 2. Oxford, UK: George Ronald. p. 248. ISBN978-0-85398-616-4. OCLC1181263830.
Schuurman, Suzanne (2008). Legacy of Courage - The Life of Ola Pawlowski, Knight of Bahá'u'lláh. Oxford, UK: George Ronald. ISBN9780853985242. OCLC271770667.
Heller, Wendy (1985). Lidia: the life of Lidia Zamenhof, daughter of Esperanto. Oxford, UK: George Ronald. pp. 227–8, 231, 251, 258. OCLC420566962.