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191
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192
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193
A study of the Igorot language as spoken by the Bontoc Igorots [microform]
Julkaistu 1979Visual Material -
194
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195
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196
The Cordillera a preliminary bibliographic survey of materials on the Igorots [microform]
Julkaistu 1978Visual Material -
197
The discovery of the Igorots Spanish contacts with the pagans of Northern Luzon
Julkaistu 1977Kirja -
198
The Cordillera a preliminary bibliographic survey of materials on the Igorots
Julkaistu 1977Opinnäyte -
199
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200
The discovery of the Igorots Spanish contacts with the pagans of northern Luzon
Julkaistu 1977Kirja