Columbia subject headings:
Harvard subject headings:
Flournoy, Théodore, 1854-1920--Correspondence.
Flournoy, Théodore, 1854-1920. Des Indes à la planète Mars.
Léopold (Spirit)
Mediums--Switzerland--Correspondence.
Psychoanalysts--Switzerland--Correspondence.
Smith, Helene
Smith, Hélène, -1929--Correspondence.
Spiritualism
Princeton subject headings:
Flournoy, Théodore, 1854-1920--Correspondence.
Flournoy, Théodore, 1854-1920. Des Indes à la planète Mars.
Psychoanalysis.
Smith, Hélène, d1929--Correspondence.
Spiritualism.