Coat of arms of Bulgaria (English Wikipedia)

Hubert-herald.nl: Bulgaria - "After the abolition of the People's Republic in 1990 a provisional emblem came into use which was about the same as before but from which the socialist star and the data were removed."

infotel.bg

"Tarnovo Constitution of 1879" (in Bulgarian). Juridical Encyclopedia. Archived from the original on 2007-09-11. Retrieved 2006-12-28.

numericable.fr

perso.numericable.fr

"The Lord Marshal's Roll, Part I". Brian Timms' Studies in Heraldry. Archived from the original on 2006-11-09. Retrieved 2007-01-01.

parliament.bg

"Constitution of the Republic of Bulgaria". National Assembly of the Republic of Bulgaria. Archived from the original on 2010-11-10. Retrieved 2006-12-28.
"Law for the coat of arms of the Republic of Bulgaria". National Assembly of the Republic of Bulgaria. Retrieved 2006-12-28.

protobulgarians.com

Voynikov, Ivan. "Chapter II". History of the Bulgarian State Symbols (in Bulgarian). Archived from the original on 2016-06-16. Retrieved 2006-12-28.
Voynikov, Ivan. "Chapter III, part 1". History of the Bulgarian State Symbols (in Bulgarian). Archived from the original on 2016-03-03. Retrieved 2006-12-28.
Voynikov, Ivan. "Chapter III, part 2". History of the Bulgarian State Symbols (in Bulgarian). Archived from the original on 2008-07-20. Retrieved 2006-12-28.
Voynikov, Ivan. "Chapter III, part 3". History of the Bulgarian State Symbols (in Bulgarian). Archived from the original on 2016-09-13. Retrieved 2006-12-28.
Voynikov, Ivan. "Chapter IV, part 1". History of the Bulgarian State Symbols (in Bulgarian). Archived from the original on 2017-06-22. Retrieved 2006-12-28.
Voynikov, Ivan. "Chapter V". History of the Bulgarian State Symbols (in Bulgarian). Archived from the original on 2016-09-13. Retrieved 2006-12-28.
Voynikov, Ivan. "Chapter VI". History of the Bulgarian State Symbols (in Bulgarian). Archived from the original on 2016-09-13. Retrieved 2006-12-28.

rootsweb.com

"Coat of arms of Bulgaria 13th-19th centuries" (in Bulgarian). Bulgarian Heraldry and Vexillology Society. Archived from the original on 2007-04-29. Retrieved 2007-01-01.

web.archive.org

"Constitution of the Republic of Bulgaria". National Assembly of the Republic of Bulgaria. Archived from the original on 2010-11-10. Retrieved 2006-12-28.
"The Lord Marshal's Roll, Part I". Brian Timms' Studies in Heraldry. Archived from the original on 2006-11-09. Retrieved 2007-01-01.
Voynikov, Ivan. "Chapter II". History of the Bulgarian State Symbols (in Bulgarian). Archived from the original on 2016-06-16. Retrieved 2006-12-28.
Voynikov, Ivan. "Chapter III, part 1". History of the Bulgarian State Symbols (in Bulgarian). Archived from the original on 2016-03-03. Retrieved 2006-12-28.
Voynikov, Ivan. "Chapter III, part 2". History of the Bulgarian State Symbols (in Bulgarian). Archived from the original on 2008-07-20. Retrieved 2006-12-28.
"Coat of arms of Bulgaria 13th-19th centuries" (in Bulgarian). Bulgarian Heraldry and Vexillology Society. Archived from the original on 2007-04-29. Retrieved 2007-01-01.
Voynikov, Ivan. "Chapter III, part 3". History of the Bulgarian State Symbols (in Bulgarian). Archived from the original on 2016-09-13. Retrieved 2006-12-28.
"Tarnovo Constitution of 1879" (in Bulgarian). Juridical Encyclopedia. Archived from the original on 2007-09-11. Retrieved 2006-12-28.
Voynikov, Ivan. "Chapter IV, part 1". History of the Bulgarian State Symbols (in Bulgarian). Archived from the original on 2017-06-22. Retrieved 2006-12-28.
Voynikov, Ivan. "Chapter V". History of the Bulgarian State Symbols (in Bulgarian). Archived from the original on 2016-09-13. Retrieved 2006-12-28.
Voynikov, Ivan. "Chapter VI". History of the Bulgarian State Symbols (in Bulgarian). Archived from the original on 2016-09-13. Retrieved 2006-12-28.