F. Bateman
Whately Carington
Arthur Conan Doyle
Martin Gardner
Edmund Gurney
Sylvan Muldoon
F. W. H. Myers
Janet Oppenheim
Frank Podmore Modern spiritualism (1902). Republished as Mediums of the 19th Century (New Hyde Park, N.Y., University Books, (1963).
J. B. Rhine
Samuel G. Soal
G. N. M. Tyrrell
C. D. Broad