An experimental study of sleep
Colored thinking
Experiments in psycho-galvanic reactions from co-conscious(subconscious) ideas in a case of multiple personality
Nocturnal paralysis
On the behavior of the psycho-galvanic phenomenon in association experiments (ueber das verhalten des psychogalvanischen phanomens beim assoziations experiment; diagnostische assoziationsstudien. XI beitrage)
Psychology of dementia praecox
La psychotherapie dans ses differents modes