W. R. Harris has written:

‘Essays in Occultism, Spiritism, and Demonology’ — subject(s): Occultism, Parapsychology, Psychical research

‘The Catholic Church in the Niagara peninsula, 1626-1895’

‘Essays in occultism, spiritism, and demonology’ — subject(s): Spiritualism, Occultism

‘The cross-bearers of the Saguenay’ — subject(s): Catholic Church, Indians of North America, Missions, Montagnais Indians

‘Travel-talks’ — subject(s): Description and travel, Indians of Mexico

‘Here and there in Mexico’ — subject(s): Description and travel, History