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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.

Very detailed atlas of the entire Dutch East Indies, over 16 map sheets, with a cover and overview map. Includes topographic maps, inset maps of cities and islands, and maps featuring land and sea routes, languages, geology, colonial territory 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.

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.

Map of Asia featuring steamship routes—including around Southeast Asia—connecting ports such as Penang, Singapore, Batavia (Jakarta), Saigon, Bangkok, Rangun (Yangon), Manila, Macassar (Makassar) etc. There is also an inset map of Singapore.

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 British New Guinea, focusing on the sea (islands, shoals, reefs), coast (settlements, bays), mountains and land (‘dense forest’, ‘timbered with Eucalyptus’). Inset maps of Port Moresby, Samarai Island, and the whole island of New Guinea.

Map of British New Guinea showing the boundary with Kaiser-Wilhelmsland (German New Guinea) as agreed on 6th April 1886. The boundary with Dutch New Guinea is also marked. Most detail is around the coast, with the interior left mainly blank.

Map showing the results of an 1884 agreement between the Netherlands and Britain to exchange parts of their colonial territories in New Guinea: the red area was ceded by the Netherlands to Britain; green was ceded by Britain to the Netherlands.

This 1883 map shows European colonial territories in Southeast Asia. An inset map details the proposed French annexation of Tonquin, Annam and Cochin China (modern Vietnam). International telegraph lines are also marked.

On this hand-drawn and coloured map of Asia, the colours differentiate the colonial territories of the European powers: for example, New Guinea is divided into Dutch, British and German areas, and Borneo is split between the British and Dutch.

From August Petermann's ‘Geographische Mittheilungen’, this map of New Guinea and neighbouring islands is marked with a maritime route from the western tip of New Guinea that is labelled ‘from Batavia to Hong Kong in 35 days’ and dated 1846.