Perushe sidur ha-tefilah la-Roḳeaḥ perush ha-tefilah ṿe-sodoteha le-khol yemot ha-shanah - Elʿazar ben Yehudah 1160-1230 (Mekhon ha-Rav Hershler le-Meḥḳar u-le-Hotsaʾah shel Sifrut Toranit ṿe-Hilkhatit, 1992)