No.	Title	Date
1	Die Hausasprache : grammatik (Deutsch) und systematische geordnetes Wörterbuch : Hausa-Deutsch-Französisch-English
2	Hausa grammar : with exercises, readings, and vocabularies
3	A Hausa reading book : containing a collection of texts reproduced in facsimile from native manuscripts, arranged for the use of beginners and advanced students, with transliterations into Roman characters, translations, notes, &c.
4	Lehrbuch der Hausa-Sprache.