| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Gory Bulgarii | 978-83-7136-104-3 (83-7136-104-1) | 2014 |
| The Mountains of Bulgaria: A Walker's Companion | 978-1-871890-58-7 (1-871890-58-6) | 1995 |
| Walking in Bulgaria's National Parks: Pirin, Rila and Central Balkans National Parks | 978-1-85284-574-2 (1-85284-574-0) | 2010 |
J. P. · J. Perry · Julian D Perry · Julian D. Perry MD · Julian David Perry MD · Julian Perry Robinson · Perry Julian
Cicerone Press · Cordee · Sklep podroznika