| Netherlands Indies Government, 1937. Decree no.14 dated 26 January 1937 to the establishment of the game reserve Wai Kambas in Lampongsche Districten, Sumatra. Staatsblad van Nederlandsch-Indie 1937 no. 38: 1-2
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| Netherlands Indies Government, 1935. Decree no.18 dated 29 October 1935 to the establishment of the game reserve Berbak in Djambi, Sumatra. Staatsblad van Nederlandsch-Indie 1935 no. 521: 1
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| Netherlands Indies Government, 1935. Decree no.48 dated 24 December 1935 to the establishment of the game reserve Zuid-Sumatra I in Benkoelen and Lampongsche Districten, Sumatra. Staatsblad van Nederlandsch-Indie 1935 no. 621: 1-4
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