CEEOL – Central and Eastern European Online Library: http://www.ceeol.com

Ulrich's Periodicals Directory: https://ulrichsweb.serialssolutions.com/login

ERIH PLUS – European Reference Index for the Humanities: https://dbh.nsd.uib.no/publiseringskanaler/erihplus/about/index

RISC – Russian Science Citation Index: https://elibrary.ru/defaultx.asp

Scopus - http://www/scopus.com/freelookup/forum/author.uri

Website of the Faculty of Philology at the South-West University “Neofit Rilski” - http://philology.swu.bg/

Facebook page of the Faculty of Philology - https://www.facebook.com/filologiaswu/?ref=bookmarks

Web of Science - https://clarivate.com/webofsciencegroup/solutions/web-of-science-core-collection/

Az-buki - https://azbuki.bg/