| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Global Residence and Citizenship Handbook | 978-0-9935866-2-0 (0-9935866-2-7) | 2016 |
| Global Residence and Citizenship Programs 2017-2018: The Definitive Comparison of the Leading Investment Migration Programs | 978-0-9935866-8-2 (0-9935866-8-6) | 2017 |
C.H. · C. K. · Christian H. Kälin · Christian Kälin · D.C. · D. Christian · D,. H.. · D.K · Dr. K.