51. Qoricancha Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Coricancha Temple Site (Cuzco, Peru) Qoricancha Temple Site (Cuzco, Peru) Qorikancha Temple Site (Cuzco, Peru)Temple of the Sun Site (Cuzco, Peru) Date: 1981 Format: Image
52. Qoricancha Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Coricancha Temple Site (Cuzco, Peru) Qoricancha Temple Site (Cuzco, Peru) Qorikancha Temple Site (Cuzco, Peru)Temple of the Sun Site (Cuzco, Peru) Date: 1981 Format: Image
53. Machu Picchu Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Torreon (Machu Picchu Site, Peru) Date: 1981 Format: Image
54. Machu Picchu, entrance to city Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Date: 1981 Format: Image
55. Qoricancha Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Coricancha Temple Site (Cuzco, Peru) Qoricancha Temple Site (Cuzco, Peru) Qorikancha Temple Site (Cuzco, Peru)Temple of the Sun Site (Cuzco, Peru) Date: 1986 Format: Image
56. Diagrams of the astronomical tower at Incallacta in Bolivia Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Inkallajta Site (Bolivia) Inkallacta Site (Bolivia) Incallacta Site (Bolivia) Inkallaqta Site (Bolivia)Incallaqta Site (Bolivia) Date: 1992 Format: Image
57. Diagram of the Horca del Inka Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Copacabana (Manco Kapac, Bolivia) Date: 1992 Format: Image
58. Takanas Precolombines Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Titicaca Lake (Peru and Bolivia) Date: 1992 Format: Image
59. Waka carved stone Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Copacabana (Manco Kapac, Bolivia) Titicaca Lake Region (Peru and Bolivia) Date: 1992 Format: Image
60. Waka carved stone Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Copacabana (Manco Kapac, Bolivia) Titicaca Lake Region (Peru and Bolivia) Date: 1992 Format: Image