Jeremiah 34:9
That every man should let his manservant, and every man his maidservant, being an Hebrew or an Hebrewess, go free; that none should serve himself of them, to wit, of a Jew his brother.
Cross-reference
Jeremiah 34:14
Citation
Jeremiah 34:14 cites the law of releasing Hebrew slaves after six years — the very command being reiterated here.
Deuteronomy 15:12
Citation
Deuteronomy 15:12 is the law quoted here—the command to free Hebrew slaves after six years, directly referenced by Jeremiah.
Isaiah 58:3
Parallel
Isaiah 58:3 condemns oppressing workers while fasting — a similar injustice toward subordinates as the failure here to free slaves.
Colossians 4:1
Parallel
Colossians 4:1 instructs masters to treat slaves justly — a NT parallel to the fair treatment command here.