- American Geographical Society (Around the World Program) (Set includes: Poland, Nigeria, Hungary/Bulgaria/Rumania, The Philippine Islands, Federation of Rhodesia and Nyasaland, Finland) by American Geographical Society, 1960
- Lakes of Bulgaria: Durankulak, Seven Rila Lakes, Srebarna Nature Reserve, Lake Varna, Lake Pancharevo, Burgas Lakes, Lake Ariana
- Little Gift Book Of Bulgaria
- Status of National Environmental Action Programs in Central and Eastern Europe: Case Studies of Albania, Bulgaria, the Czech Republic, Croatia, Hungary, ... Romania, the Slovak Republic and Slovenia.
- Villages in Varna Province: Vetrino, Avren, Varna Province, Krakra, Bulgaria, Oreshak, Varna Province, Shkorpilovtsi, Kalimantsi
- The Dobruja through the centuries;: Its historical evolution and geopolitical aspects by Radu Vulpe, 1939
- Toponymical and historical miscellanies on medieval Dobrudja, Bessarabia and Moldo-Wallachia by J Bromberg, 1937
- Optimum amount of information on geographical school wall-maps by Nikola Bambaldokov, 1976
- Elena, Bulgaria
- Vacha (River): Maritsa, Rhodopes, Devin, Bulgaria, Arda (Maritsa), Chepelare River, Vacha Dam
- Vratsa: Bulgarian Language, Bulgaria, Vratsa Province, Sofia, South Slavs, First Bulgarian Empire, Serbs, Harry Potter Universe, Quidditch, Pannonia, Byzantine Empire
- Bulgaria in Transition: Environmental Consequences of Political and Economic Transformation (Ashgate Studies in Environmental Policy and Practice)
- Sboryanovo: The Sacred Land of the Getae by Diana Gergova, 2004-12-31
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