保加利亚
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↑  Giatzidis, Emil. . Manchester University Press. 2002: 11  [2022-01-21]. ISBN 978-0-7190-6094-6. （原始内容存档于2023-01-15）. Thus, with its early emphasis on Christian Orthodox scholarship, Bulgaria became the first major centre of Slavic culture
↑  Riha, Thomas. . University of Chicago Press. 1964: 214  [2022-01-21]. ISBN 978-0719060946. （原始内容存档于2023-01-15）. And it was mainly from Bulgaria that a rich supply of literary monuments was transferred to Kiev and other centres.
↑  McNeill, William Hardy. . University of Chicago Press. 1963: 49  [2022-01-21]. ISBN 978-1112695315. （原始内容存档于2023-01-15）. Accordingly, when Bulgaria was converted to Christianity (after 865), bringing massive Slavic-speaking populations within the pale of Christendom, a new literary language, Old Church Slavonic, directly based upon Bulgarian speech, developed for their use.
↑  Curta, Florin. . Cambridge University Press. 2006: 221  [2022-01-21]. ISBN 9780521815390. （原始内容存档于2023-01-15）.
↑  Bell, John D. . .   [2018-07-28]. （原始内容存档于2022-05-12）. The early impetus of Bulgarian traditions in the arts was cut short by the Ottoman occupation in the 14th century, and many early masterpieces were destroyed. ... the foundations were laid for later artists such as Vladimir Dimitrov, an extremely gifted painter specializing in the rural scenes of his native country ... At the beginning of the 21st century, the best-known contemporary Bulgarian artist was Christo, an environmental sculptor known for wrapping famous structures
↑  Grabar, André.  [Religious Visual Arts in Bulgaria]. P. Geuthner. 1928: 95.  ASIN B005ZI4OV8
↑  Kremenliev, Boris A. . University of California Press. 1952: 52. Bulgaria's scales are numerous, and it may be demonstrated that they are a fusion of Eastern and Western influences. ... first, Oriental scales; second, church modes: the osmoglasie ... third, the conventional scales of Western Europe. ... Among the scales which have come to the Balkans from Asia, the pentatonic is one of the most widely used in Bulgaria. Whether it came from China or Japan, as Dobri Hristov suggests []
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↑  Greenslade, Roy. . The Guardian. 2014-09-23  [2018-05-20]. （原始内容存档于2018-05-20）.
↑  Albala, Ken. . ABC-CLIO. 2011: 61, 62  [2022-01-21]. ISBN 978-0-313-37626-9. （原始内容存档于2023-01-15）.
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↑  Mihaylov, Ivaylo. . SEE News. 2017-02-14  [2022-01-21]. （原始内容存档于2017-02-14）.
↑  . Bulgarian Olympic Committee.   [2011-12-04]. （原始内容存档于2011-09-28）.
↑  . International Olympic Committee.   [2018-10-05]. （原始内容存档于2011-02-21）.
↑  Bell, John D. . .   [2018-07-22]. （原始内容存档于2022-05-12）. In international sports competition, Bulgarians have excelled in tennis, wrestling, boxing, and gymnastics, but the country's greatest repute may be in weight-lifting. ... Fans of football (soccer), the most popular sport in Bulgaria, were buoyed by the success of the national team in the 1994 World Cup, when it advanced to the semi-final match under the leadership of forward Hristo Stoichkov. The premier league in Bulgaria has 16 teams, of which four play in Sofia: CSKA, Levski, Slavia, and Lokomotiv.
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↑  . Professional Football Against Hunger.   [2011-12-04]. （原始内容存档于2011-11-06）.
↑  Ames, Nick. . ESPN. 2014-09-16  [2018-07-22]. （原始内容存档于2022-05-12）.
↑  . UEFA.   [2018-07-22]. （原始内容存档于2019-03-18）.