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1
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Batak (Philippine people) -- Population. / https://id.loc.gov/authorities/subjects/sh85012310 https://id.loc.gov/authorities/subjects/sh00006969 : Eder, James F.
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1992
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1
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2
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Batak (Philippine people) -- Social conditions. / https://id.loc.gov/authorities/subjects/sh85012310 https://id.loc.gov/authorities/subjects/sh2001008850 : Eder, James F.
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1992
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