Joshua 20:3
That the slayer that killeth any person unawares and unwittingly may flee thither: and they shall be your refuge from the avenger of blood.
Cross-reference
Numbers 35:12
Parallel
Numbers 35:12 explains that the city of refuge protects the manslayer from the avenger until trial — the same purpose stated in Joshua 20:3.
Numbers 35:19
Contrast
Numbers 35:19 declares the avenger must kill the intentional murderer — contrasting with the accidental killer in Joshua 20:3 who finds refuge.
Numbers 35:22
Parallel
Numbers 35:22 gives a specific example of accidental killing without enmity — the same category as the accidental manslayer in Joshua 20:3.
Hebrews 6:18
Allusion
In Hebrews 6:18, fleeing for refuge alludes to the cities of refuge, illustrating spiritual safety in Christ.
2 Samuel 14:11
Allusion
2 Samuel 14:11 recounts a plea to spare a son from the avenger of blood — an application of the cities-of-refuge principle from Joshua 20:3.