מכתב משפחתי ממאיר בן הלל בן צדוק לשלושת אחיו, מתנגד לנישואין ומדרבן ללימוד תורה
Princeton Geniza Project description: A family letter written by Meir b. Hillel b. Sadoq to his three brothers. He objects to the marriage of Abu al-Mufadal, one of his brothers, and he urges this brother to devote more effort to his religious studies.