J. F. · Jiri Fronek · Josef Fronek · Joseph Fronek
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Comprehensive Czech-English Dictionary | 978-80-85927-54-2 (80-85927-54-3) | 2000 |
| Englishczech Czechenglish Handy Dictiona | 978-80-7335-236-3 (80-7335-236-2) | 2010 |