1 Kings 15:7
Now the rest of the acts of Abijam, and all that he did, are they not written in the book of the chronicles of the kings of Judah? And there was war between Abijam and Jeroboam.
Cross-reference
1 Kings 15:23 uses the same formulaic phrase 'Book of the Chronicles' as 15:7, but for Asa's reign.
1 Kings 14:29 uses the same concluding formula for Rehoboam, pointing to the same source book as here.
2 Chronicles 13:2 records the war between Abijah and Jeroboam, directly paralleling the summary given in this verse.
2 Chronicles 13:3-20 provides the full account of the battle between Abijah and Jeroboam, including his speech and victory.
2 Chronicles 13:21 adds details of Abijah's growth, wives, and children after the battle, expanding on the record referenced here.
2 Kings 20:20 reproduces the same chronicling formula for Hezekiah, linking all these king summaries across Kings.
2 Chronicles 13:22 gives another closing formula citing the prophet Iddo, similar to the source reference here.