The Huli language of Papua New Guinea is reported to have base-15 numbers.

Gnau is a language of Papua New Guinea.

Uare, or Kwale, is a language of Papua New Guinea.

Waboda is a Papuan language of southern Papua New Guinea.

It is an official language of Papua New Guinea and the most widely used language in that country.

Maramba is a language of Papua New Guinea of uncertain classification.

Laua, also known as Labu, is a language of Papua New Guinea.

He is best remembered for his work on the languages of Papua New Guinea.

Nai or Biaka is a language of Papua New Guinea.

Ese, or Managalasi, is a language of Papua New Guinea.