• Avatâras: Four lectures delivered at the twenty-fourth anniversary; meeting of the Theosophical Society at Adyar, Madras,; December, 1899
• Christianity: Its Evidences, Its Origin, Its Morality, Its History
• Death—and After?
• Esoteric Christianity, or The Lesser Mysteries
• Evolution of Life and Form: Four lectures delivered at the twenty-third anniversary meeting of the Theosophical Society at Adyar, Madras, 1898
• Is the Bible Indictable?: Being an Enquiry whether the Bible Comes within the Ruling of the Lord Chief Justice as to Obscene Literature
• London Lectures of 1907
• Marriage, As It Was, As It Is, and As It Should Be: A Plea for Reform
• My Path to Atheism
• Occult Chemistry: Clairvoyant Observations on the Chemical Elements
• The Basis of Morality
• The Case for India
• The changing world, and lectures to theosophical students.: Fifteen lectures delivered in London during May, June, and July, 1909
• Theosophy and Life's Deeper Problems: Being the Four Convention Lectures Delivered in Bombay at the Fortieth Anniversary of the Theosophical Society, December, 1915
• Thought-Forms