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Colonial territory is labelled and colour-coded on this map of Southeast Asia. A list on the left edge gives the colonial status, size and population of Asian countries, and ranks the main cities by population. Gold and iron mines are marked.

The United States Treasury Department produced this map of trade routes crossing the Pacific Ocean between the United States and Asia. Each route is labelled with the names of its ports, and with the distance between them in miles.

Dutch-language map of Asia, with mainland Southeast Asia labelled ‘Achter Indie [Beyond India]’.

Dutch-language map of Asia, with mainland Southeast Asia labelled ‘Achter Indie [Beyond India]’.

Map of the Mambare River from Mount Victoria to the sea at Duvira (or Traitors) Bay, British New Guinea. Villages, bases, camps and stores are marked, and there are notes on terrain (‘Low Hills’), vegetation (‘Betal Palms’), river width, rapids etc.

British New Guinea is highlighted in red on this map of New Guinea and Australia, with German and Dutch colonial areas also partially shown. There is a line marking the boundary between the British and German spheres of influence.

Map of eastern New Guinea, showing the routes—mainly along rivers—explored by Sir William MacGregor, the administrator of British New Guinea. The borders with the German colonial territory (Kaiser-Wilhelmsland) and Dutch New Guinea are also marked.

New Guinea is divided between British, German and Dutch colonial powers on this map of New Guinea and Australia. There is a line marking the boundary between the British and German spheres of influence. Bays and islands around the coast are named.

From Joseph Kürschner’s ‘Universal-Konversations-Lexikon’, this map of German colonies includes the island of New Guinea. Divided between Dutch, British and German colonies, the German territory is Kaiser-Wilhelmsland and the Bismarck Archipelago.

Map of part of the north coast of Kaiser-Wilhelmsland (German New Guinea) spread over two sheets. It focuses on rivers, noting width, depth, temperature, currents, vegetation etc.; and on mountains, showing heights and side views (elevations).

The first two sheets of this eight-sheet map focus on British New Guinea, with German and Dutch colonial areas of New Guinea also shown in part. There is a line marking a proposed change in border between Dutch and British territory.

Map of part of the east coast of the Gulf of Papua, with river mouths, shoals, bathymetry (water depth). On land, notes on terrain (‘Hills 100 to 150 ft. high’), land (‘Good soil’), vegetation (‘Nipa and Sago Palms’) and people (‘Ipikoi Tribe’).