• Institute for Bulgarian Language (Речник на българския език): Dictionary of the Bugarian language
• Chitanka: Bulgarian dictionary, synonyms, declination & conjugation
• Rechnik.info: Bulgarian dictionary, etymology, synonyms & Bulgarian-English dictionary
• T-Rechnik: Bulgarian dictionary
• Eurodict: Bulgarian-English dictionary & multilingual
• Rechnik-bg: Bulgarian-English dictionary & French, Italian, Spanish, Russian
• Iate: multilingual terminological dictionary (European Union)
• Vanyog: Bulgarian spelling dictionary
→ online translation: Bulgarian-English & other languages & web page
• Loecsen: Bulgarian-English common phrases (+ audio)
• Goethe-Verlag: Bulgarian-English common phrases & illustrated vocabulary (+ audio)
• LingoHut: Bulgarian-English vocabulary by topics (+ audio)
• Bulgarian, a guide to the spoken language, published by the U.S. War Departement (1943)
• Речникъ на блъгарскый языкъ: dictionary of the Bulgarian language, by Найден Геров (Najden Gerov) (1895)
А-Д - Е-К - Л-О - П - Р-Ю & supplément
• Енциклопедически рѣчникъ: encyclopedic dictionary, by Лука Касъров (Luca Kasrov) (1899)
• Complete Bulgarian-English dictionary by Constantine Stephanove (1914)
• Dictionnaire bulgare-français: Bulgarian-French dictionary, by N. Markoff (1898)
• Phraseological loan translations in Bulgarian and in French: a cross-linguistic and cross-cultural study, by Ramon Marti Solano, Maria Kolarova, in Contrastive linguistics (2015)
→ Bulgarian keyboard to type a text with the Cyrillic script
→ Bulgarian conversion: Cyrillic <> Latin characters
• EasyBulgarian: pronunciation of the Bulgarian alphabet & basic phrases (+ audio)
• Bulgarian by Petya Osenova, in Revue belge de philologie et d'histoire (2010)
• Bulgarisch: Bulgarian, by Karl Gutschmidt, in Wieser Enzyklopädie des europäischen Ostens (2002)
• studies about the Bulgarian language and its dialects, by Andrey Sobolev (Андрей Соболев)
• Болгарский широколыкский говор : The Bulgarian dialect of Shiroka laka (Широка лъка, Široka lăka) (2001)
• Bulgarian, a guide to the spoken language, US War Department (1943)
• Short grammar of the Bulgarian language, with reading lessons, by William Morfill (1897)
• Grammar of the Bulgarian language by Charles Morse (1859)
• Bulgarische Grammatik: Bulgarian grammar by Gustav Weigand (1917)
• Грамматика за новобългарскыя езыкъ : Bulgarian grammar, by Иван Момчилов (1873)
• Българска грамматика : Bulgarian grammar, by Неофит Рилски (Neofit Rilski) (1835)
• Болгарский широколыкский говор: The Bulgarian dialect of Shiroka laka (Широка лъка, Široka lăka), by Андрей Соболев (Andrej Sobolev) (2001)
• books about the Bulgarian language: Google books & Internet archive
• Cocoon: recordings in Bulgarian made by Snejana Gadjeva about the Bulgarian traditions (2022)
• YouTube: Learnbulgarian - BulgarianPod101
• Bulgarian National Television
• DW: news in Bulgarian
• Slovoto: Bulgarian literature
• LyrikLine: poems in Bulgarian, with translation (+ audio)
• books about the Bulgarian literature: Google books & Internet archive
• Chansons populaires bulgares: Bulgarian folk songs, by Auguste Dozon (1875)
• Бѫлгарски поети: anthology of Bulgarian poetry (1922)
• Кириакодромион (Kiriakodromion): Sunday Book, sermons by Софроний Врачански (Sofronij Vračanski, Sophronius of Vratsa) first printed book in modern Bulgarian (Неделник, Nedelnik) (1806)
• WordProject: translation of the Bible into Bulgarian, International Biblical Association (+ audio)
• New Testament (1867)
• New Testament translated into Bulgarian, by Neofit Rilski (1850)
Всички хора се раждат свободни и равни по достойнство и права.
Те са надарени с разум и съвест и следва да се отнасят помежду си в дух на братство.
• Всеобща декларация за правата на човека: translation into Bulgarian (+ audio)
→ First article in different languages
→ Universal Declaration of Human Rights in Bulgarian, Russian, English & other languages
→ Bulgaria: maps, heritage & documents
→ Macedonian language: similar to Bulgarian
