This source names Helena directly: "Theosophical Society, together with Helena Blavatsky and the Buddhist monk Hikkaduwe Sri Sumangala."
Source Buddhist Publication Society, Wheel Publication No. 281, "Colonel Olcott: His Service to Buddhism"B. P. Kirthisinghe and M. P. Amarasuriya
Source Judge Confirms Plan Settling Montana Clergy Sex-Abuse Claims
This source names Helena directly: "White died at her home, Elmshaven, near St Helena, California, at the age of eighty seven."
Source Ellen G. White: A Brief Biography (Ellen G. White Estate)
This source names Helena directly: "Brill book is his standard scholarly study of Helena, mother of Constantine the Great, and of how the legend of her finding the True Cross developed over time."
Source Helena Augusta: The Mother of Constantine the Great and the Legend of Her Finding of the True CrossJan Willem Drijvers
This source names Helena directly: "Helena Petrovna Blavatsky was a Russian noblewoman and traveller who, with Henry Steel Olcott and William Quan Judge, founded the Theosophical Society in New York City on November 17, 1875."
Source The Theosophical EnlightenmentJoscelyn Godwin
This source names Helena directly: "the Theosophical Society with Helena Blavatsky and William Quan Judge in New York City in 1875 and served as its first president."
Source The Theosophical EnlightenmentJoscelyn Godwin
This source names Helena directly: "States his 16 May 1880 arrival in Colombo, his and Helena Blavatsky's formal taking of the Five Precepts on 19 May 1880 at Wijayananda Viharaya in Galle, his 1881 Buddhist Catechism (still in use in..."
Source Henry Steel Olcott (Wikipedia)Wikipedia contributors
This source names Helena directly: "accused Theosophical Society founder Helena Blavatsky of fabricating the Mahatma Letters."
Source J'Accuse: An Examination of the Hodgson Report of 1885Vernon Harrison
This source names Helena directly: "Nelson Holmes, and, briefly and early in her career, Helena Blavatsky."
Source Man, Myth and MagicRichard Cavendish (ed.)
This source names Helena directly: "May 1880, and three days later he and Helena Blavatsky formally took the Five Precepts at Wijayananda Viharaya in Galle, becoming Buddhists under British colonial Ceylon's own eyes."
Source Henry Steel Olcott (Wikipedia)Wikipedia contributors
This source names Helena directly: "A Helena Independent Record report on the Roman Catholic Diocese of Helena's finances after U.S."
Source Slow Road to Recovery: Finances Run Thin for Diocese of Helena After Approval of Bankruptcy Plan
This source names Helena directly: "relics traditionally associated with Helena, mother of Constantine, including fragments said to be of the Cross, a nail and thorns, and the Titulus Crucis inscription."
Source The Relics of the Passion - Basilica di Santa Croce in GerusalemmeBasilica di Santa Croce in Gerusalemmethe holders' own account
This source names Helena directly: "traditionally associated with Helena, mother of the emperor Constantine."
Source The Relics of the Passion at Santa Croce in Gerusalemme (Rome)the holders' own account
This source names Helena directly: "Theosophical texts, including works by Helena Blavatsky, Annie Besant and Charles Webster Leadbeater, for the movement's international membership."
Source Theosophical Publishing House (Adyar), Theosophy WikiTheosophy Wiki contributors
This source names Helena directly: "York through Henry Steel Olcott and Helena Blavatsky's move of its headquarters to Adyar in 1882."
Source Theosophical Society Adyar (Wikipedia)Wikipedia contributors
This source names Helena directly: "founded in New York City in 1875 by Helena Blavatsky, Henry Steel Olcott and William Quan Judge as the Theosophical Society."
Source The Theosophical EnlightenmentJoscelyn Godwin
This source names Helena directly: "the Theosophical Society with Helena Blavatsky and Henry Steel Olcott in New York City in 1875 and led its American work for two decades."
Source The Theosophical EnlightenmentJoscelyn Godwin