Exodus 21:21
But if the servant survives a day or two, the master is not to be punished because the servant is his property.
Leviticus 25:44-46
"As for your male and maid slaves who will be with you, you may buy male and female slaves from among the nations.
Treasury of Scripture Knowledge
Summary
Notwithstanding, if he continue a day or two, he shall not be punished: for he is his money.
General references
Bible References
General references
Leviticus 25:45
You may also buy from resident aliens who live among you and their families who are with you, whom they fathered in your land. They may become your property.