1 Kings 15:7; 1 Kings 15:31

7 The rest of the events of Abijam's [reign], along with all his accomplishments, are written about in the Historical Record of Judah's Kings. There was also war between Abijam and Jeroboam.
31 The rest of the events of Nadab's [reign], along with all his accomplishments, are written about in the Historical Record of Israel's Kings.