There are two shorter phrase books available: M. Alexieva and E. Paunova, Conversation English-Bulgarian (Sofia: Nauka i izkustvo, 1987) and Maria and Vladimir Filipov Bulgarian-English Phrasebook (Sofia: Nauka i izkustvo, 1982).
Bulgarian-English and English-Bulgarian dictionaries have traditionally been hard to find. The standards have been Teodora Atanasova et al. Bulgarian-English Dictionary, 2vols, and its counterpart Maria Rankova et al. English-Bulgarian Dictionary, 2 vols. Both works published in Sofia by Nauka i izkustvo in 1990.