| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| How English Became the Global Language | 978-1-137-3O3O6-6 (1-137-3O3O6-9) | 2013 |
Christiane, Dr. Northrup · Dale Northrup · David (David Northrup) Northrup · David Northrup · Davies Joseph Northrup Tony · Denine A. Northrup · Dr. Christiane Northrup · Dr. med. Christiane Northrup