2018. Maganar hannu: Harshen bebaye na kasar Hausa. Littafi na shida: Lokaci da yanayi. Hamburg: Buske. [Hausa Sign Language. Book 6: Time and weather.] Schmaling, Halima C. 2017. Maganar hannu: Harshen bebaye na kasar Hausa. Littafi na biyar: Ayyukan yau da kullum. Hamburg: Buske. [Hausa Sign Language. Book 5: Everyday activities.] Schmaling, Halima C. 2016. Maganar hannu: Harshen bebaye na kasar Hausa. Littafi na hudu: Kasuwanci da kidaya. Hamburg: Buske.[Hausa Sign Language. Book 4: Commerce and counting.] Schmaling, Halima C. 2016. Maganar hannu: Harshen bebaye na kasar Hausa. Littafi na uku: Kwatancin mutane da abubuwa. Hamburg: Buske. [Hausa SignLanguage, Book 3: Describing people and things.] Schmaling, Halima C. 2014. Maganar hannu: Harshen bebaye na kasar Hausa. Littafi na biyu: Haduwa da sadarwa. Hamburg: Buske. [Hausa Sign Language, Book 2: Meeting and communicating.] Schmaling, Halima C. and Bala Hausawa, Lawan. 2011. Maganar hannu: Harshen bebaye na kasar Hausa. Littafi na farko: Iyali. Kano: Government Printers. [Hausa Sign Language, Book 1: Family.] Other references: Schmaling, C. H. 2015. Hausa Sign Language. In Sign Languages of the world, ed. J. Bakken Jespen, G. de Clerck, S. Lutalo-Klingl, W.B. McGregor. Berlin (et al.): de Gruyter/Ishara, 361-389. Schmaling, C.H. 2012. Dictionaries of African sign languages: an overview. Sign Language Studies,12 (2), 236-278. Schmaling, Constanze. 2003. A for Apple: The impact of Western education and ASL on the deaf community in Kano State, northern Nigeria. In Many ways to be deaf: international variation in Deaf communities, ed. L. Monaghan, C. Schmaling, K. Nakamura, G. Turner. Washington, DC: Gallaudet University Press, 302–310. Schmaling, Constanze. 2001. ASL in Northern Nigeria: Will Hausa sign language survive. Signed languages: Discoveries from international research, ed. by Valerie Dively, 2001, 180–93. Gallaudet University Press. Schmaling, Constanze. 2000. Maganar Hannu: Language of the hands. A descriptive analysis of Hausa Sign Language. Hamburg: Signum. Sign language isolates Sign languages of Nigeria