| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Question of Psychological Types: The Correspondence of C. G. Jung and Hans Schmid-Guisan, 1915-1916 | 978-0-691-16972-9 (0-691-16972-1) | 2015 | C. G. Jung |
| The Question of Psychological Types: The Correspondence of C. G. Jung and Hans Schmid-Guisan, 1915–1916 | 978-0-691-15561-6 (0-691-15561-5) | 2012 | " |