No.	Title	Date
1	Dictionary of the Hausa language : Vol. 2, English-Hausa
2	Dictionary of the Hausa language : Vol. 1, Hausa-English
3	Dictionary of the Hausa language : Vol. 2, English-Hausa
4	Dictionary of the Hausa language : Vol. 1, Hausa-English
5	Specimens of Hausa literature
6	Swahili gestures : comments ( vielezi) and exclamations ( viingizi)