'Telepathy, Mediumship, and Psychology: Psychical Research at the International Congresses of Psychology, 1889–1905'

Historian Dr Carlos Alvarado has written a paper on psychical research and the early international congresses of psychology which refers extensively to the SPR:

'Telepathy, Mediumship, and Psychology: Psychical Research at the International Congresses of Psychology, 1889–1905', in the Journal of Scientific Exploration, Vol. 31, No. 2, 2017, pp. 255–292.