1. Guaman Poma Mojones & Sucanca Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Peru Date: 1982 Format: Image
2. Map of Peru showing Central and South Andean Departments Collection: Billie Jean Isbell Andean Collection Location: Peru Date: 1978 Format: Image
3. Illustrations from Guaman Poma de Aylla Collection: Billie Jean Isbell Andean Collection Location: Peru Date: 1978 Format: Image
4. Illustrations from Guaman Poma de Aylla Collection: Billie Jean Isbell Andean Collection Location: Peru Date: 1978 Format: Image
5. Zenith - Anti-zenith Collection: Billie Jean Isbell Andean Collection Location: Peru Date: 1982 Format: Image
6. Illustrations from Guaman Poma de Aylla Collection: Billie Jean Isbell Andean Collection Location: Peru Date: 1978 Format: Image
7. Illustrations from Guaman Poma de Aylla Collection: Billie Jean Isbell Andean Collection Location: Peru Date: 1978 Format: Image
8. Illustrations from Guaman Poma de Aylla Collection: Billie Jean Isbell Andean Collection Location: Peru Date: 1978 Format: Image
9. Illustrations from Guaman Poma de Aylla Collection: Billie Jean Isbell Andean Collection Location: Peru Date: 1978 Format: Image
10. Southern Andes Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Overviews Location: Peru Andes Date: 1981 Format: Image