He whakaaturanga anō
Rārangi pukapuka
Brasch, C. O. Indirections. Wellington, 1980
Skinner, H. D. Willi Fels. Dunedin, 1946
Strathern, G. M. 'Fels, Willi, CMG'. In An encyclopaedia of New Zealand. Ed. A. H. McLintock. Wellington, 1966
Tāngia te kōrero katoa
Tāngia te kōrero katoa