Exodus 21:13,28-32
And if a man lie not in wait, but God deliver him into his hand; then I will appoint you a place where he shall flee.
Nave's Topical Index—AKJV

Numbers 35:11-15,22-28,32
Then you shall appoint you cities to be cities of refuge for you; that the slayer may flee thither, which kills any person at unawares.
Nave's Topical Index—AKJV

Deuteronomy 4:41-43
Then Moses severed three cities on this side Jordan toward the sun rise;
Nave's Topical Index—AKJV

Deuteronomy 19:2-10
You shall separate three cities for you in the middle of your land, which the LORD your God gives you to possess it.
Nave's Topical Index—AKJV

Joshua 20:1-9
The LORD also spoke to Joshua, saying,
Nave's Topical Index—AKJV