1. Visions: a study of false sight (pseudopia) Author(s): Clarke, Edward H. (Edward Hammond), 1820-1877, author Publication: Boston : Houghton, Osgood and Company, 1878 Subject(s): IllusionsHallucinations
2. Illusion, hallucination and delusion: a differential study for forensic purposes Author(s): Hughes, Charles H. (Charles Hamilton), 1839-1916, author Publication: St. Louis : [publisher not identified], [1881] Subject(s): Forensic PsychiatryHallucinationsIllusionsDelusions