Psalm 106:29
Thus they provoked him to anger with their inventions: and the plague brake in upon them.
Cross-reference
Psalm 106:39 summarizes the defilement and spiritual prostitution that provoked the plague in verse 29.
Psalm 106:43 summarizes Israel's repeated provocation — the same psalm's later verse echoes the pattern of rebellion.
Numbers 25:9 records the death toll of 24,000 from the plague, directly referencing the event in Psalm 106:29.
1 Corinthians 10:8 directly references the same Baal-peor incident, noting 23,000 died in one day — a parallel account with a different number.
Numbers 25:3 is the original account of Israel joining Baal-peor, provoking God's anger — the event Psalm 106:29 summarizes.
Numbers 25:8 shows Phinehas stopping the plague by killing the offenders — the resolution to the event in Psalm 106:29.
Deuteronomy 4:3 reminds Israel of God's destruction at Baal-peor — a later reference to the same plague.
Joshua 22:17 warns that the iniquity of Peor brought a plague — directly referencing the same event.