| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| German Free School in Austin Texas and GTHS: From years 1991 to 1995 | 978-1-7908-8680-7 (1-7908-8680-5) | 2018 |
| German Free School in Austin Texas and GTHS from years 1991 to 1995: Photos in color | 978-1-7291-7066-3 (1-7291-7066-8) | 2018 |