The margin contains more or less of the Masorah; sometimes prayers, psalms, rabbinical commentaries, etc.
"Companion to the Bible"
E. P. Barrows
Whether because the Hebrew text was rigidly settled in its present form in the days of the Talmudists, or because their quotations have been made to agree with the Masorah, an examination of the Talmud furnishes few various readings that are of any importance.
"Companion to the Bible"
E. P. Barrows