The plural form of volume; more than one (kind of) volume.
A tsakanin shekara ta 1895 zuwa 1897, bayan an fitar da kundayen littafin nan Millennial Dawn, wani Ɗalibin Littafi Mai Tsarki mai suna, H. In the mid-1890’s, after a number of volumes of Millennial Dawn had been released, Brother H.