http://aflang.humnet.ucla.edu/Yobe/Dictionaries/Bole_english_hausa_2009.pdf (Publisher version)
http://aflang.humnet.ucla.edu/Yobe/Pages/yobe_dictionaries.html#download (Publisher version)
Schuh, R. G. (Ed.). (2009). Bole-English-Hausa Dictionary: Alhaji Maina Gimba Malam Baba Ali Madu Bah. Potiskum: Ajami Press.