Kinkasa and Nkansa from Congo, the first two students of the Rev William Hughes's African Institute in Colwyn Bay.

Source:
Hughes, W. Third visit of the Rev. W. Hughes, Colwyn Bay, to the West Coast of Africa; brief account of the Cameroons, the native hymn and tune book, and the native churches of that land, with correspondence. Wrexham, North Wales, Hughes, 1917. Pdf. https://www.loc.gov/item/74171971/.