| title | ISBN-13 (ISBN-10) | year of publication | 
|---|---|---|
| Missing in the Himalayas: Anatomy of an MIA Mission | 978-1-4208-3694-3 (1-4208-3694-3) | 2005 | 
| Tales of the Himalayas | 978-1-4033-1030-9 (1-4033-1030-0) | 2002 | 
C C · C.F. · C. Frey · Carl Frey · Carl Frey Constein · D.C. · D.F. · D. Frey · "F.C."