Izd-vo "Petŭr Beron" · Prosveta
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Koĭ koĭ e v srednovekovna Bŭlgarii͡a︡ | 978-954-402-047-7 (954-402-047-0) | 1999 |
| Koĭ koĭ e v srednovekovna Bŭlgarii͡a︡: Istoricheski spravochnik | 978-954-01-0476-8 (954-01-0476-9) | 1994 |