Papua New Guinea Economic conditions.
paleogeology
paleoclimate
Obsidian--Mexico--Analysis
Nuclear activation analysis--Mexico
Nomads Congresses andes exchange
Natural resources
mountain building
Mexico--Antiquities
Material culture.
Marxian school of sociology Congresses.
Lari (Peru) Rural conditions.
Irrigation Social aspects Peru Cabanaconde
Irrigation Peru Lari Management
Indians of South America Peru Antiquities
Indians of South America Ethnozoology Andes Region.
Indians of South America Ethnobotany Andes Region.
Indians of South America Bolivia Tiwanaku River Valley Politics and government.
Indians of South America Bolivia Tiwanaku River Valley Migrations.
Indians of South America Bolivia Tiwanaku River Valley Antiquities.
Indians of South America Andes Region Social conditions.
Indians of South America Andes Region Antiquities
Indians of North America Commerce.
Indians of Mexico--Antiquities
Incas