John Osterman · Ostrander John · OstrouchKamiska Joanna · Ostrowska Joanna
| title | ISBN-13 | year of publication |
|---|---|---|
| American AND Texas Government Essentials | 978-1-4652-6698-9 | 2015 |
| American AND Texas Government Essentials | 978-1-4652-4730-8 | 2014 |
| American AND Texas Government Essentials | 978-0-7575-9998-9 | 2012 |
| US Texas Government | 978-1-4652-2325-8 | 2013 |