| Traveler & Origin | Primary Text | Reign / Epoch | Key Historical Observations |
| Al-Biruni (Khwarazm) | Kitab-ul-Hind (Arabic) | Reign of Mahmud of Ghazni (11th C.) | Deep study of Indian philosophy, astronomy, mathematics, caste system, and social customs. |
| Ibn Battuta (Morocco) | Rihla (Arabic) | Reign of Muhammad bin Tughlaq (14th C.) | Detailed accounts of Sultanate postal systems (Uluq and Dawa), court customs, agriculture, and urban markets. |
| Nicolo de Conti (Italy) | Travel Memoirs | Vijayanagara (Deva Raya I) | Early European account describing Vijayanagara's fortifications, festivals, and military strength. |
| Abdur Razzaq (Persia) | Matla-us-Sadain | Vijayanagara (Deva Raya II) | Enthusiastic Persian diplomatic account describing the grandeur, trade, and wealth of Vijayanagara city. |
| Domingo Paes & Fernao Nuniz (Portugal) | Travel Chronicles | Vijayanagara (Krishnadevaraya) | Detailed descriptions of the Mahanavami Dibba festival, urban markets, horse trade, and provincial administration. |
| Francois Bernier (France) | Travels in the Mogul Empire | Reigns of Shah Jahan & Aurangzeb | Physician who analyzed Mughal land tenure, arguing that private landownership was absent and describing cities as "camp cities." |
| Jean-Baptiste Tavernier (France) | Six Voyages | Reign of Shah Jahan & Aurangzeb | Jeweler who documented Indian trade routes, diamond mines (Golkonda), and commercial banking networks. |