| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1992 | 978-954-8075-01-5 | Valentin Aleksandrov | Atanas Burov: Banker, politik, diplomat: politicheska biografiia (Bulgarian Edition) |
| 1993 | 978-954-8075-09-1 | Zhulieta Penchovska | Katalog na nepravitelstvenite organizatsii za opazvane na okolnata sreda v Bulgariia =: Catalogue of environmental non-governmental organizations in Bulgaria (Bulgarian Edition) |