| Subject |
|---|
| royal inscriptions [1] |
| ruler [1] |
| Sicily [1] |
| simple machines [1] |
| social organization [2] |
| Spanish water management history [1] |
| Sumerian city-state of Lagas [1] |
| swimming pools [1] |
| technological shelf [1] |
| temple [1] |
| time measurement [1] |
| transfer of technology [1] |
| urban periphery [1] |
| water [1] |
| water availability [2] |
| water balance [1] |
| water clock [1] |
| water economy [2] |
| water legislation [2] |
| water lifting devices [2] |
