<p style='text-align: justify;'>Mišaʾel b. ʿUzziʾel, Kitāb al-ḵilaf (‘Book of differences’). F. 1 contains variants between Aaron b. Asher and Moses b. Naphtali from Proverbs 27:1 to the end of the book, and the congruences as far as Proverbs 23:7 (Lipschütz 1965: נב). F. 2 contains part of the introduction to the Kitāb al-ḵilāf (Lipschütz 1965, ג, line 19 - ד, line 2).</p>