Deuteronomy 15:19

All the firstling males that come of thy herd and of thy flock thou shalt sanctify to the LORD thy God: thou shalt do no work with the firstling of thy bullock, nor shear the firstling of thy sheep.

Exodus 13:2

Sanctify to me all the first-born, whatever openeth the womb among the children of Israel, both of man and of beast: it is mine.

Exodus 13:12

That thou shall set apart to the LORD all that openeth the matrix; and every firstling that cometh of a beast which thou hast, the males shall be the LORD'S.

Leviticus 27:26

Only the firstling of the beasts, which should be the LORD'S firstling, no man shall sanctify it; whether ox, or sheep: it is the LORD'S.

Numbers 18:15

Every thing that openeth the matrix in all flesh, which they bring to the LORD, whether of men or beast, shall be thine: nevertheless, the first born of man shalt thou surely redeem, and the firstling of unclean beasts shalt thou redeem.

Numbers 18:17

But the firstling of a cow, or the firstling of a sheep, or the firstling of a goat, thou shalt not redeem; they are holy: thou shalt sprinkle their blood upon the altar, and shalt burn their fat for an offering made by fire, for a sweet savor to the LORD.

Deuteronomy 12:17

Thou mayest not eat within thy gates the tithe of thy corn, or of thy wine, or of thy oil, or the firstlings of thy herds or of thy flock, nor any of thy vows which thou vowest, nor thy free-will-offerings, or heave-offering of thy hand:

Deuteronomy 16:14

And thou shalt rejoice in thy feast, thou, and thy son, and thy daughter, and thy man-servant, and thy maid-servant, and the Levite, the stranger, and the fatherless, and the widow, that are within thy gates:

Exodus 34:19

Every first-born is mine: and every firstling among thy cattle, whether ox or sheep, that is male.

Numbers 3:13

Because all the first-born are mine; for on the day that I smote all the first-born in the land of Egypt, I hallowed to me all the first-born in Israel, both man and beast: mine they shall be: I am the LORD.

Deuteronomy 12:5-7

But the place which the LORD your God shall choose out of all your tribes to put his name there, even his habitation shall ye seek, and thither thou shalt come:

Deuteronomy 14:23

And thou shalt eat before the LORD thy God, in the place which he shall choose to place his name there, the tithe of thy corn, of thy wine, and of thy oil, and the firstlings of thy herds and of thy flocks; that thou mayest learn to fear the LORD thy God always.

Deuteronomy 16:11

And thou shalt rejoice before the LORD thy God, thou, and thy son, and thy daughter, and thy man-servant, and thy maid-servant, and the Levite that is within thy gates, and the stranger, and the fatherless, and the widow, that are among you, in the place which the LORD thy God hath chosen to place his name there.

Romans 8:29

For whom he did foreknow, he also did predestinate to be conformed to the image of his Son, that he might be the first-born among many brethren.

Hebrews 12:23

To the general assembly and church of the first-born, who are written in heaven, and to God the Judge of all, and to the spirits of just men made perfect,

Treasury of Scripture Knowledge

Summary

All the firstling males that come of thy herd and of thy flock thou shalt sanctify unto the LORD thy God: thou shalt do no work with the firstling of thy bullock, nor shear the firstling of thy sheep.

Bible References

The firstling

Exodus 13:2
Sanctify to me all the first-born, whatever openeth the womb among the children of Israel, both of man and of beast: it is mine.
Exodus 34:19
Every first-born is mine: and every firstling among thy cattle, whether ox or sheep, that is male.
Leviticus 27:26
Only the firstling of the beasts, which should be the LORD'S firstling, no man shall sanctify it; whether ox, or sheep: it is the LORD'S.
Numbers 3:13
Because all the first-born are mine; for on the day that I smote all the first-born in the land of Egypt, I hallowed to me all the first-born in Israel, both man and beast: mine they shall be: I am the LORD.
Numbers 18:17
But the firstling of a cow, or the firstling of a sheep, or the firstling of a goat, thou shalt not redeem; they are holy: thou shalt sprinkle their blood upon the altar, and shalt burn their fat for an offering made by fire, for a sweet savor to the LORD.
Romans 8:29
For whom he did foreknow, he also did predestinate to be conformed to the image of his Son, that he might be the first-born among many brethren.
Hebrews 12:23
To the general assembly and church of the first-born, who are written in heaven, and to God the Judge of all, and to the spirits of just men made perfect,

Thou shalt do

Deuteronomy 12:5
But the place which the LORD your God shall choose out of all your tribes to put his name there, even his habitation shall ye seek, and thither thou shalt come:
Deuteronomy 14:23
And thou shalt eat before the LORD thy God, in the place which he shall choose to place his name there, the tithe of thy corn, of thy wine, and of thy oil, and the firstlings of thy herds and of thy flocks; that thou mayest learn to fear the LORD thy God always.
Deuteronomy 16:11
And thou shalt rejoice before the LORD thy God, thou, and thy son, and thy daughter, and thy man-servant, and thy maid-servant, and the Levite that is within thy gates, and the stranger, and the fatherless, and the widow, that are among you, in the place which the LORD thy God hath chosen to place his name there.
Numbers 18:15
Every thing that openeth the matrix in all flesh, which they bring to the LORD, whether of men or beast, shall be thine: nevertheless, the first born of man shalt thou surely redeem, and the firstling of unclean beasts shalt thou redeem.