Reads

Zoroastrian civilization from the earliest times to the downfall of the last Zoroastrian empire, 651 A.D (1922)

Zoroastrian theology from the earliest times to the present day (1914)

Four great religions, four lectures delivered on the twenty-first anniversary of the Theosophical society at Adyar, Madras: (1897)

Sex Antagonism (1913)

The belief in immortality and the worship of the dead (1913-1924)

Questions on the customs, beliefs, and languages of savages (1916, c1907)