• Nahum M. Sarna, The Sabbath, from Exodus
• Gerhard F. Hasel, Sabbath, from The Anchor Yale Bible Dictionary
• Roger T. Beckwith, Chapter 2, from Calendar and Chronology, Jewish and Christian: Biblical, Intertestamental and Patristic Studies
• Cyrus H. Gordon, The Biblical Sabbath: Its Origin and Observance in the Ancient Near East