Bisa (M.51)

Birkeli, Emil (1---) Bausi, Malagasy, Bisa and Lala. 42 p.

Johnston, H. H. (1897) British Central Africa.

Last, J. T. (1885) Polyglotta africana orientalis. London: SPCK. Reprinted Leipzig: Zentralantiquariat der DDR.

Madan, A. C. (1906) Wisa handbook. Oxford: Clarendon Press., 136 p.

Madan, A. C. (1913) Lala-Lamba-Wisa and English, English and Lala-Lamba-Wisa dictionary. Oxford: Clarendon Press., c. 300 p.