Between 1050 and 1150, a new medical literary form was espoused by several physicians living in different cities in the Arab world—the tabular form. One of these physicians was Yaḥyá ibn ʻĪsá ibn Jazlah, a Christian born in Baghdad, who converted to Islam in 1074 and died in Baghdad in 1100. In this work, Taqwīm al-abdān fī tadbīr al-insān (Tables of the body for treatment), Ibn Jazlah divides diseases into 44 categories. Each category comprises eight conditions, and each condition is discussed in 12 columns, with the following titles: Name of the condition or the disease, Humors, Age, Seasons, Countries, Prognosis, Causes, Signs, Diaphoresis, Royal treatment, Simple treatment, and Remarks. This manuscript probably was copied in the 16th century and is mostly in clear medium-sized naskh and nastaʻlīq scripts, with large thuluth in the headings. There are 27 lines per page of beige laid paper, which is lightly glazed, and the work has a cardboard binding. The manuscript was a gift of Harvey Cushing (1869–1939), a Yale-educated neurosurgeon, whose collection of rare medical books forms a key part of the Medical Historical Library in the Harvey Cushing/John Hay Whitney Medical Library, Yale University.