| Entry | Volume | Pages |
|---|---|---|
| Peru | 59 | 20-1 |
| Peru | 62 | 9 |
| Peru | 83 | 174-191 |
| Peru: Ancash | 57 | 334 |
| Peru: Arequipa | 3 | 220 |
| Peru: Cacanam Pass | 62 | 9 |
| Peru: Callejon de Huaylas | 39 | 48-9 |
| Peru: Carhuasjanchca | 55 | 355 |
| Peru: Chachaui Range | 3 | 220 |
| Peru: Cordillera Cantabrica | 80 | 396 |
| Peru: Cordillera Huayhuash | 62 | 9 |
| Peru: El Misti | 3 | 220 |
| Peru: Junin Province | 67 | 389 |
| Peru: Laguna Carhuacocha | 62 | 9 |
| Peru: Laguna Mitacocha | 62 | 9 |
| Peru: Laguna Viconga | 62 | 9 |
| Peru: Lake Titicaca | 59 | 20-1 |
| Peru: Macchu Picchu | 59 | 21 |
| Peru: Machu Picchu | 83 | 174-175C |
| Peru: Malaga Pass | 59 | 20 |
| Peru: Mollendo | 3 | 219 |
| Peru: Rondoy | 62 | 9 |
| Peru: southern | 80 | 366-395, 370M |
| Peru: southern: Abra La Pampilla | 80 | 385 |
| Peru: southern: Abra Ojelaca | 80 | 376 |
| Peru: southern: Abra Oquepuño | 80 | 380, 381C |
| Peru: southern: San Antonio de Esquilache | 80 | 372 |
| Peru: Urubamba Valley | 47 | 182 |
| Peru: Vilcanota Range | 7 | 101-8 |
| Peru: villagers, Tassa | 83 | 185C |