1 Samuel 22:1
David therefore departed there, and escaped to the cave Adullam: and when his brothers and all his father's house heard it, they went down thither to him.
Nave's Topical Index—AKJV

2 Samuel 23:13
And three of the thirty chief went down, and came to David in the harvest time to the cave of Adullam: and the troop of the Philistines pitched in the valley of Rephaim.
Nave's Topical Index—AKJV

1 Chronicles 11:15
Now three of the thirty captains went down to the rock to David, into the cave of Adullam; and the host of the Philistines encamped in the valley of Rephaim.
Nave's Topical Index—AKJV