Joshua 21:3
And the children of Israel gave unto the Levites out of their inheritance, at the commandment of the Lord, these cities and their suburbs.
Cross-reference
Joshua 21:8 repeats the fact that the allotment was done as commanded, reinforcing the obedience.
In Genesis 49:7, Jacob prophesied scattering Levi; here the allocation of scattered cities fulfills that dispersion.
1 Chronicles 6:54-81 provides a parallel list of these same Levitical cities, confirming the allocation.
Numbers 35:6 commands giving Levites 48 cities including 6 refuge cities; here they are given as commanded.
Numbers 35:7 specifies the total 48 cities; this verse records their allotment as commanded.
Numbers 35:8 commands proportional giving from tribes; here the tribes gave accordingly, though not detailed.
Deuteronomy 33:8-10 describes Levi's priestly role; this allocation enables them to live among tribes for teaching.