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21
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22
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23
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24
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25
The blood of the people. Revolution and the end of traditional rule in Northern Sumatra
Publicado em 1979Livro -
26
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27
Sumatran constributions to the development of Indonesian literature, 1920-1942
Publicado em 1977Livro -
28
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29
Sumatran contributions to the development of Indonesian literature, 1920-1942
Publicado em 1977Livro -
30