Menashshe (fl. 1100-1138 CE) containing a commercial account and a record of court proceedings. On his way to India, Abū Barakāt al-Labdī met Yiṣḥaq al-Nafūsī in Aden, who gave him some merchandise to sell for him. The lost part of the letter probably details how this merchandise was sold in India; the surviving part accounts for what Abū Barakāt bought for al-Nafūsī in India, as well as the expenses (taxes, rent for a warehouse, etc) during his stay in Aden.
—appeared before us and declared that he had dictated this entire
account, and that all that remained with him, besides
what went into the house of Ibn al-Ṭuwayr, was spent on the house
belonging to Sheikh Isḥāq al-Nafūsī—may his Rock preserve him!