Coleman is best remembered for his criticism of Helena Blavatsky and the claims of Theosophy . He argued in his writings that Blavatsky had plagiarized her ideas from other sources and had stolen quotations . His article " The Sources of Madame Blavatsky 's Writings " was published in an appendix to Vsevolod Solovyov 's '' A Modern Priestess of Isis '' ( 1895 ) . Coleman demonstrated that Blavatsky 's '' Isis Unveiled '' was largely plagiarized and included a list of the uncredited sources . He also claimed he was working on a book that would expose Blavatsky 's sources for her '' Book of Dzyan '' but his notes were destroyed in the 1906 San Francisco earthquake and the book was never published
1906 San Francisco earthquake
1906 San Francisco earthquake
William Emmette Coleman