Columbia subject headings:
Inca architecture.
Indian architecture--Peru--Urubamba River Valley.
Peru--Antiquities.
Urubamba River Valley (Peru)--Antiquities.
Harvard subject headings:
Inca architecture.
Peru--Antiquities.
Urubamba River Valley (Peru)--Antiquities.
Princeton subject headings:
Incas--Antiquities.
Indians of South America--Peru--Antiquities.
Indians of South America--Peru--Architecture.
Peru--Antiquities.
Urubamba River Valley (Peru)--Antiquities.
Vilcanota River Valley (Peru)--Antiquities.