Deuteronomy 23:10
If there be among you any man, that is not clean by reason of uncleanness that chanceth him by night, then shall he go abroad out of the camp, he shall not come within the camp:
Cross-reference
Leviticus 15:16
Parallel
Leviticus 15:16 provides the purification ritual for seminal emission — bathing and uncleanness until evening — assumed in Deuteronomy's camp exclusion.
Numbers 5:2
Parallel
Numbers 5:2 expands camp exclusion to all defiling conditions (skin disease, discharge, corpse contact), not just nocturnal emission.
Numbers 5:3
Parallel
Numbers 5:3 gives the theological reason for exclusion: preserving camp holiness because God dwells there, underlying Deuteronomy's rule.
1 Corinthians 5:11
Parallel
Paul applies the OT principle of removing impurity from the camp to church discipline, excluding unrepentant sinners from fellowship.