Psychoëncephale studien.
Edition: v. aufl.  Von dr. S. K. Thoden van Velzen ...
Published: 1920
Place of publication: Joachimstal i. Uckermark
Language: ger
Number of pages: 168
Notes: Based on Dr. H. Thoden van Velzen's Wissenschaft der seele.
"Kritiken": p. 154-166.