Numbers 31:18

But all the females who have not {had sexual intercourse with a man}, keep alive for yourselves.

Deuteronomy 21:10-14

"When you go out for battle against your enemies, and Yahweh your God gives them into your hand, and you lead the captives away,

Leviticus 25:44

" 'As for your slave and your slave woman who are yours, from the nations that [are] all around you, from them you may buy a slave or a slave woman.

Deuteronomy 20:14

Only the women and the little children and the domestic animals and all that shall be in the city, all of its spoil you may loot for yourselves, and you may enjoy the spoil of your enemies that Yahweh you God has given to you.

2 Chronicles 28:8-10

And the Israelites captured two hundred thousand of their brothers, women, sons, and daughters. And they also plundered much booty from them and brought the booty to Samaria.

Isaiah 14:2

And [the] nations will take them and bring them to their place, and the house of Israel will take possession of them in the land of Yahweh as slaves and female slaves. And this will happen: they will take their captors captive and rule over their oppressors.

Treasury of Scripture Knowledge

Summary

But all the women children, that have not known a man by lying with him, keep alive for yourselves.

Bible References

Keep alive for yourselves

Deuteronomy 20:14
Only the women and the little children and the domestic animals and all that shall be in the city, all of its spoil you may loot for yourselves, and you may enjoy the spoil of your enemies that Yahweh you God has given to you.
Deuteronomy 21:10
"When you go out for battle against your enemies, and Yahweh your God gives them into your hand, and you lead the captives away,
2 Chronicles 28:8
And the Israelites captured two hundred thousand of their brothers, women, sons, and daughters. And they also plundered much booty from them and brought the booty to Samaria.
Isaiah 14:2
And [the] nations will take them and bring them to their place, and the house of Israel will take possession of them in the land of Yahweh as slaves and female slaves. And this will happen: they will take their captors captive and rule over their oppressors.