Numbers 18:21

and to the sons of Levi, lo, I have given all the tenth in Israel for inheritance in exchange for their service which they are serving -- the service of the tent of meeting.

Deuteronomy 14:22-29

'Thou dost certainly tithe all the increase of thy seed which the field is bringing forth year by year;

Nehemiah 10:37

And the beginning of our dough, and our heave-offerings, and the fruit of every tree, of new wine, and of oil, we bring in to the priests, unto the chambers of the house of our God, and the tithe of our ground to the Levites; and they -- the Levites -- have the tithes in all the cities of our tillage;

Nehemiah 12:44

And certain are appointed on that day over the chambers for treasures, for heave-offerings, for first-fruits, and for tithes, to gather into them out of the fields of the cities the portions of the law for priests, and for Levites, for the joy of Judah is over the priests, and over the Levites, who are standing up.

Genesis 14:20

and blessed is God Most High, who hath delivered thine adversaries into thy hand;' and he giveth to him a tenth of all.

Leviticus 27:30-33

And all tithe of the land, of the seed of the land, of the fruit of the tree, is Jehovah's -- holy to Jehovah.

Numbers 3:7-8

and kept his charge, and the charge of all the company before the tent of meeting, to do the service of the tabernacle;

Numbers 18:6

'And I, lo, I have taken your brethren the Levites from the midst of the sons of Israel; to you a gift they are given by Jehovah, to do the service of the tent of meeting;

Numbers 18:24-26

but the tithe of the sons of Israel which they lift up to Jehovah, a heave-offering, I have given to the Levites for inheritance; therefore I have said of them, In the midst of the sons of Israel they have no inheritance.'

Deuteronomy 12:17-19

thou art not able to eat within thy gates the tithe of thy corn, and of thy new wine, and thine oil, and the firstlings of thy herd and of thy flock, and any of thy vows which thou vowest, and thy free-will offerings, and heave-offering of thy hand;

2 Chronicles 31:5-6

and at the spreading forth of the thing have the sons of Israel multiplied the first-fruit of corn, new wine, and oil, and honey, and of all the increase of the field, and the tithe of the whole in abundance they have brought in.

2 Chronicles 31:12

and they bring in the heave-offering, and the tithe, and the holy things faithfully; and over them is a leader, Conaniah the Levite, and Shimei his brother is second;

Nehemiah 10:29

are laying hold on their brethren, their honourable ones, and coming in to an execration, and in to an oath, to walk in the law of God, that was given by the hand of Moses, servant of God, and to observe and to do all the commands of Jehovah our Lord, and His judgments, and His statutes;

Nehemiah 13:12

and all Judah have brought in the tithe of the corn, and of the new wine, and of the oil, to the treasuries.

1 Corinthians 9:13-14

Have ye not known that those working about the things of the temple -- of the temple do eat, and those waiting at the altar -- with the altar are partakers?

Galatians 6:6

And let him who is instructed in the word share with him who is instructing -- in all good things.

Hebrews 7:5

and those, indeed, out of the sons of Levi receiving the priesthood, a command have to take tithes from the people according to the law, that is, their brethren, even though they came forth out of the loins of Abraham;

Treasury of Scripture Knowledge

Summary

And, behold, I have given the children of Levi all the tenth in Israel for an inheritance, for their service which they serve, even the service of the tabernacle of the congregation.

Bible References

The tenth

Numbers 18:24
but the tithe of the sons of Israel which they lift up to Jehovah, a heave-offering, I have given to the Levites for inheritance; therefore I have said of them, In the midst of the sons of Israel they have no inheritance.'
Leviticus 27:30
And all tithe of the land, of the seed of the land, of the fruit of the tree, is Jehovah's -- holy to Jehovah.
Deuteronomy 12:17
thou art not able to eat within thy gates the tithe of thy corn, and of thy new wine, and thine oil, and the firstlings of thy herd and of thy flock, and any of thy vows which thou vowest, and thy free-will offerings, and heave-offering of thy hand;
Deuteronomy 14:22
'Thou dost certainly tithe all the increase of thy seed which the field is bringing forth year by year;
2 Chronicles 31:5
and at the spreading forth of the thing have the sons of Israel multiplied the first-fruit of corn, new wine, and oil, and honey, and of all the increase of the field, and the tithe of the whole in abundance they have brought in.
Nehemiah 10:29
are laying hold on their brethren, their honourable ones, and coming in to an execration, and in to an oath, to walk in the law of God, that was given by the hand of Moses, servant of God, and to observe and to do all the commands of Jehovah our Lord, and His judgments, and His statutes;
Nehemiah 12:44
And certain are appointed on that day over the chambers for treasures, for heave-offerings, for first-fruits, and for tithes, to gather into them out of the fields of the cities the portions of the law for priests, and for Levites, for the joy of Judah is over the priests, and over the Levites, who are standing up.
Nehemiah 13:12
and all Judah have brought in the tithe of the corn, and of the new wine, and of the oil, to the treasuries.

Even the service

Numbers 18:6
'And I, lo, I have taken your brethren the Levites from the midst of the sons of Israel; to you a gift they are given by Jehovah, to do the service of the tent of meeting;
Numbers 3:7
and kept his charge, and the charge of all the company before the tent of meeting, to do the service of the tabernacle;
1 Corinthians 9:13
Have ye not known that those working about the things of the temple -- of the temple do eat, and those waiting at the altar -- with the altar are partakers?
Galatians 6:6
And let him who is instructed in the word share with him who is instructing -- in all good things.

General references

Leviticus 27:30
And all tithe of the land, of the seed of the land, of the fruit of the tree, is Jehovah's -- holy to Jehovah.
Deuteronomy 10:9
therefore there hath not been to Levi a portion and inheritance with his brethren; Jehovah Himself is his inheritance, as Jehovah thy God hath spoken to him.
Deuteronomy 14:22
'Thou dost certainly tithe all the increase of thy seed which the field is bringing forth year by year;