THE ESOTERIC BASIS OF CHRISTIANITY, OR, THEOSOPHY AND CHRISTIAN DOCTRINE: A PAPER READ BEFORE THE BLAVATSKY LODGE OF THE THEOSOPHICAL SOCIETY WILLIAM KINGSLAND 1891
THEOU SOPHIA: ANALYTICAL LESSONS IN THE WISDOM OF THE DIVINE MYSTERIES VOL I-II-III HOLDEN EDWARD SAMPSON 1921
THEOSOPHY, AND ITS RELATION TO SPIRITUALISM, CHRISTIAN SCIENCE, AND GENERAL REFORM. AN ESSAY WILLIAM JUVENAL COLVILLE 1888
SUN LORE OF ALL AGES; A COLLECTION OF MYTHS AND LEGENDS CONCERNING THE SUN AND ITS WORSHIP WILLIAM TYLER OLCOTT 1914