Exodus 21:2

If thou should buy a Hebrew slave, he shall serve six years; and in the seventh he shall go out free for nothing.

Deuteronomy 15:12-15

And if thy brother, a Hebrew man, or a Hebrew woman, is sold unto thee and serves thee six years, then in the seventh year thou shalt send him forth from thee free.

Deuteronomy 15:18

It shall not seem hard unto thee when thou sendest him away free from thee, for he has served thee for half the cost of a hired servant for six years; and the LORD thy God shall bless thee in all that thou doest.

Genesis 27:28

Therefore let God give thee of the dew of heaven and of the fatness of the earth and plenty of wheat and new wine.

Genesis 27:36

And he said, Is he not rightly named Jacob? For he has supplanted me these two times; he took away my birthright, and, behold, now he has taken away my blessing. And he said, Hast thou not reserved a blessing for me?

Exodus 12:44

but every man's slave that is bought for money, when thou hast circumcised him, then shall he eat of it.

Exodus 22:3

If the sun is risen upon him, he that killed him is guilty of his blood; the thief should make full restitution; if he has nothing, then he shall be sold for his theft.

Leviticus 25:39-45

And when thy brother becomes poor, being with thee, and if he should sell himself unto thee, thou shalt not compel him to serve as a slave.

Deuteronomy 15:1

At the end of every seven years thou shalt make a release.

Deuteronomy 31:10

And Moses commanded them, saying, At the beginning of the seventh year, in the appointed time of the year of release, in the feast of the tabernacles,

2 Kings 4:1

Now a certain woman of the wives of the sons of the prophets cried unto Elisha, saying, Thy slave, my husband, is dead; and thou knowest that thy slave feared the LORD; and the creditor is come to take my two sons to be his slaves.

Nehemiah 5:1-5

Then there was a great cry of the people and of their wives against their brethren, the Jews.

Nehemiah 5:8

And I said unto them, We after our ability have redeemed our brethren, the Jews who had been sold unto the Gentiles; and will ye even sell your brethren? And shall they be sold unto us? Then they remained silent, for they had nothing to answer.

Jeremiah 34:8-17

This is the word that came unto Jeremiah from the LORD after king Zedekiah had made a covenant with all the people which were at Jerusalem, to proclaim liberty unto them;

Matthew 18:25

But he not having wherewith to pay, his lord commanded him to be sold, and his wife and children and all that he had, to make payment.

1 Corinthians 6:20

For ye are bought with a price, therefore glorify God in your body and in your spirit, which are God's.

Treasury of Scripture Knowledge

Summary

If thou buy an Hebrew servant, six years he shall serve: and in the seventh he shall go out free for nothing.

Bible References

An hebrew

Exodus 12:44
but every man's slave that is bought for money, when thou hast circumcised him, then shall he eat of it.
Exodus 22:3
If the sun is risen upon him, he that killed him is guilty of his blood; the thief should make full restitution; if he has nothing, then he shall be sold for his theft.
Genesis 27:28
Therefore let God give thee of the dew of heaven and of the fatness of the earth and plenty of wheat and new wine.
Leviticus 25:39
And when thy brother becomes poor, being with thee, and if he should sell himself unto thee, thou shalt not compel him to serve as a slave.
2 Kings 4:1
Now a certain woman of the wives of the sons of the prophets cried unto Elisha, saying, Thy slave, my husband, is dead; and thou knowest that thy slave feared the LORD; and the creditor is come to take my two sons to be his slaves.
Nehemiah 5:1
Then there was a great cry of the people and of their wives against their brethren, the Jews.
Matthew 18:25
But he not having wherewith to pay, his lord commanded him to be sold, and his wife and children and all that he had, to make payment.
1 Corinthians 6:20
For ye are bought with a price, therefore glorify God in your body and in your spirit, which are God's.

And in the

Leviticus 25:40
As a hired servant and as a sojourner, he shall be with thee and shall serve thee unto the year of jubilee.
Deuteronomy 15:1
At the end of every seven years thou shalt make a release.
Deuteronomy 31:10
And Moses commanded them, saying, At the beginning of the seventh year, in the appointed time of the year of release, in the feast of the tabernacles,
Jeremiah 34:8
This is the word that came unto Jeremiah from the LORD after king Zedekiah had made a covenant with all the people which were at Jerusalem, to proclaim liberty unto them;

General references

Exodus 21:11
And if he does not do these three things unto her, then shall she go out free without money.
Leviticus 25:40
As a hired servant and as a sojourner, he shall be with thee and shall serve thee unto the year of jubilee.
Deuteronomy 15:1
At the end of every seven years thou shalt make a release.