Prof. P. Dubois. Imagination as a cause of illness. Psycho-therapeutic library V. Authorized translation. Moscow. 1912 Publishing house "Science"

In the first part of his book, the author gives a definition of what an imaginary illness is, gives a brief history of its development, acquaints the reader with the process of the emergence of representations, while emphasizing what role imagination plays in this process; A number of examples and references to Freud are provided as proof that imagination, especially in people of little intelligence, is the cause of various disorders in the body.