1. New Guinea: What I did and what I saw;D'Albertis, L.M.
2. From notes for a lecture delivered in St. Petersburg, November 1886. Sobranie Sochinenii;Mikloucho-Maclay, N.N.;Moscow Academy of Sciences
3. Mikloucho-Maclay: New Guinea Diaries 1871-1883;Sentinella, C.L.,1977
4. Papuans and Pygmies;Vogel, A.A.,1953
5. The 'Red-skins' of Lufa sub-district. Further observations on the distinctive skin pigmentation of some New Guinea indigenes;Harvey, R.G.;Human Biology in Oceania,1971