http://www.nairaland.net/forum/docs/grammarofhausa.html
Other formats:
Flip book - http://www.archive.org/details/grammaro ... 00migeiala
PDF - http://www.archive.org/download/grammar ... geiala.pdf
B/W PDF - http://www.archive.org/download/grammar ... ala_bw.pdf
DjVU - http://www.archive.org/stream/grammarof ... eiala.djvu