Leviticus 12:8

But, if her hand findeth not sufficiency for a lamb, then shall she take two turtle doves or two young pigeons, one for an ascending-sacrifice and one for a sin-bearer, - so shall the priest put a propitiatory-covering over her, and she shall he clean.

Leviticus 4:26

and with all the fat thereof, shall he make a perfume at the altar, as with the fat of the peace-offering, - so shall the priest put a propitiatory-covering over him because of his sin, and it shall be forgiven him.

Leviticus 5:7

And, if his hand cannot reach sufficient for a lamb, then shall he bring in to bear his guilt - for that he hath sinned - two turtle-doves, or two young pigeons unto Yahweh, - one for a sin-bearer, and one for an ascending-sacrifice.

Leviticus 1:14

But, if, of birds, be the ascending-sacrifice of his oblation unto Yahweh, then shall he bring near of the turtle-doves or of the young pigeons, his oblation.

Leviticus 14:22

and two turtle-doves or two young pigeons, for which his hand hath enough, - so shall one be a sin-bearer, and the other an ascending-sacrifice.

Leviticus 15:14

And, on the eighth day, he shall take for himself two turtle doves or two young pigeons, - and come in before Yahweh, unto the entrance of the tent of meeting, and give them to the priest;

Leviticus 15:29

And, on the eighth day, shall she take to herself two turtle doves, or two young pigeons, - and bring them in unto the priest, unto the entrance of the tent of meeting;

Luke 2:22-24

And, when the days of their purification, according to the law of Moses, were fulfilled, they took him up into Jerusalem, to present him unto the Lord, -

2 Corinthians 8:9

For ye are taking knowledge of the favour of our Lord Jesus Christ, - how that, for your sakes, he became destitute - although he was, rich, in order that, ye, by his destitution, might be enriched.

Treasury of Scripture Knowledge

Summary

And if she be not able to bring a lamb, then she shall bring two turtles, or two young pigeons; the one for the burnt offering, and the other for a sin offering: and the priest shall make an atonement for her, and she shall be clean.

Bible References

She be not able to bring a lamb

Leviticus 1:14
But, if, of birds, be the ascending-sacrifice of his oblation unto Yahweh, then shall he bring near of the turtle-doves or of the young pigeons, his oblation.
Leviticus 5:7
And, if his hand cannot reach sufficient for a lamb, then shall he bring in to bear his guilt - for that he hath sinned - two turtle-doves, or two young pigeons unto Yahweh, - one for a sin-bearer, and one for an ascending-sacrifice.
Leviticus 14:22
and two turtle-doves or two young pigeons, for which his hand hath enough, - so shall one be a sin-bearer, and the other an ascending-sacrifice.
Leviticus 15:14
And, on the eighth day, he shall take for himself two turtle doves or two young pigeons, - and come in before Yahweh, unto the entrance of the tent of meeting, and give them to the priest;
Luke 2:22
And, when the days of their purification, according to the law of Moses, were fulfilled, they took him up into Jerusalem, to present him unto the Lord, -
2 Corinthians 8:9
For ye are taking knowledge of the favour of our Lord Jesus Christ, - how that, for your sakes, he became destitute - although he was, rich, in order that, ye, by his destitution, might be enriched.

General references

Genesis 15:9
And he said unto him, Take for me a heifer three years old, and a she-goat three years old, and a ram three years old, and a turtle-dove and a young pigeon.
Leviticus 4:19
and, as for all the fat thereof, he shall heave up therefrom, - and make a perfume at the altar.
Leviticus 14:19
Then shall the priest offer the sin-bearer, and shall put a propitiatory-covering over him that is to be cleansed because of his uncleanness, - and, afterwards, shall he slay the ascending-sacrifice.
Leviticus 15:14
And, on the eighth day, he shall take for himself two turtle doves or two young pigeons, - and come in before Yahweh, unto the entrance of the tent of meeting, and give them to the priest;