Judges 19:1
And it came to pass in those days, when there was no king in Israel, that there was a certain Levite sojourning on the side of mount Ephraim, who took to him a concubine out of Beth–lehem–judah.
Cross-reference
Judges 17:6 gives the same refrain 'no king in Israel, everyone did what was right in his own eyes'.
In Judges 17:8, another Levite travels from Bethlehem to Ephraim, mirroring the movement but reversed — a parallel narrative in the same book.
Judges 21:25 repeats the exact same refrain about no king and everyone doing right in their own eyes.
Judges 17:7 also features a Levite from Bethlehem, linking these two stories of the lawless period with a similar character and location.
Ruth 1:1 sets its story in the same era ('when the judges ruled') and location (Bethlehem), providing direct historical context for this period.
Genesis 35:19 identifies Bethlehem as Rachel's burial place, the same town the concubine came from.