| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Audio CD for Beginning Urdu: A Complete Course | 978-1-58901-801-3 (1-58901-801-X) | 2012 | Joshua Pien |
| Beginning Hindi: A Complete Course | 978-1-62616-022-4 (1-62616-022-8) | 2014 | Joshua H. Pien |
| Beginning Urdu: A Complete Course | 978-1-58901-778-8 (1-58901-778-1) | 2012 | " |