British protectorate proclaimed 1884 over southeastern New Guinea, formally annexed as the Crown colony of British New Guinea in 1888, then transferred to Australian administration in 1902-1906 and renamed the Territory of Papua — the southern half of what is now Papua New Guinea.
Administratively merged with the Territory of New Guinea (the former German north) in 1949 to form the Territory of Papua and New Guinea, which became independent as Papua New Guinea in 1975.
A concise, reputable general history of PNG by a Papua New Guinean historian, covering the British/Australian Papua colonial period.
Authoritative regional reference placing the Papua colonial administration within Pacific history broadly.