| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Czech in Three Months | 978-0-85285-210-1 (0-85285-210-X) | 1997 | Hugo's Language Books |
| Hugo Advanced Portuguese Course. | 978-0-85285-318-4 (0-85285-318-1) | 1999 | " |
| Thai Phrase Book | 978-0-85285-154-8 (0-85285-154-5) | 1997 | " |
H B · H.S. · Hugo L. · L B · l Books · S. B · S. Books · S. L.
Hugo's Language Books, Hugo's Language Books Hugo's Language Books