[Pramāṇa](https://indike.org/pramana/) › [Foreign](https://indike.org/pramana/inf) › [Latin](https://indike.org/pramana/inf.la) › [Middle Ages (700 – 1500)](https://indike.org/pramana/inf.la.medieval) › [Missionaries and travellers](https://indike.org/pramana/inf.la.medieval.travel) › William of Adam, How to Defeat the Saracens # William of Adam, How to Defeat the Saracens (De modo Sarracenos extirpandi) Crusade proposal by a Dominican who had sailed the Indian Ocean: Egypt's wealth comes from the Indian trade through Aden, which galleys in the Gulf of Aden could cut off; notes on India, its islands and the merchants of the Indian Ocean. - **Language:** Latin - **Date:** 1316–1317 CE - **Author:** [Guillelmus Adae](https://indike.org/pramana/person/william-adam) - **Place:** ʿAdan (Aden) - **Text:** not yet digitised (catalogue entry) --- Source: [https://indike.org/pramana/inf.la.medieval.travel.william-adam](https://indike.org/pramana/inf.la.medieval.travel.william-adam) · Pramāṇa