BibCzechLing: 877 hits for bulharština on page 27

The "Bibliography of the Czech Linguistics (BibCzechLing)" is provided by the Institute of the Czech Language of the Academy of Sciences of the Czech Republic (Ústav pro jazyk český AV). The database contains about 73.280 records and covers the period from 1992 till 2018. The list of subjects is located here.

Your search for bulharština provides 877 hits
261	Bălgarskite govori v Rumănija Mladenov, Maksim Sofija 1993
262	Nie, govoreštite chora Ivanova, Kalina; Nicolova, Ruselina Sofija 1995
263	Names, Ethnicity and Politics. Islamic Names in Bulgaria 1912-1992 Konstantinov, Yulian; Alhaug, Gulbrand Oslo 1995
264	Mediite i ezikăt Red. Likomanova, Iskra Sofija 2000
265	Funkcional'naja grammatika: vyraženije prostranstvennych otnošenij v russkom jazyke (na fone bolgarskogo) Nikolova, Anna Šumen 1997
266	Istorija na novobălgarskija knižoven ezik Sofija 1989
267	Bălgari po češkite zemi Avt. kol. Moravcova, Mirjam Sofija 1994
268	Paralaks v ogledaloto ili za migrantskite obštnosti v čuždoetnična sreda. Čechi i slovaci v Bălgarija, bălgari v Čechija Penčev, Vladimir Sofija 2001
269	Bulharsko-český lékařský slovník Vedral, Jiří Praha 2011
270	Botaničeski rečnik bălgarsko-češki, češko-bălgarski Kalajdžieva Milkana D. Sofija 2006