Title: Bulgarian-English, English-Bulgarian Practical Dictionary, Author: Ivan Tchomakov
Title: Intensive Bulgarian 1: A Textbook and Reference Grammar, Author: Ronelle Alexander
Title: Bulgarian-English/ English-Bulgarian Dictionary & Phrasebook, Author: Michaela Burilkovova
Title: Intensive Bulgarian 2: A Textbook and Reference Grammar, Author: Ronelle Alexander
Title: Colloquial Bulgarian, Author: Kjetil Ra Hauge
Title: Discovering Bulgaria: A Practical Guide to Relocation, Author: William Jones
Title: Discovering Bulgaria: A Practical Guide to Relocation, Author: William Jones
Title: 500 Most Used Words in Bulgarian With Basic Phrases for Beginners, Author: Lingoxpress
Title: 25 Short Stories for Bilingual Kids English <> Bulgarian Edition, Author: Lingoxpress
Title: Exploring Bulgaria: A Traveler's Guide, Author: William Jones
Title: Learn Bulgarian: Must-Know Bulgarian Slang Words & Phrases, Author: BulgarianPod101.com
Title: Colloquial Bulgarian, Author: Kjetil Ra Hauge
Title: Bulgarian Mini Dictionary, Author: J. N. Zaff
Title: 20 Short Stories in Bulgarian for Beginners: Learn Bulgarian fast with beginner-friendly tales, Author: lingoXpress
Title: Exploring Bulgaria: A Traveler's Guide, Author: William Jones