Matthew 2:19

But when Herod was dead, behold an angel of the Lord appeareth in a dream to Joseph in Egypt,

Matthew 1:20

But while he was thinking on these things, behold an angel of the Lord appeared to him in a dream, saying, Joseph, thou son of David, fear not to take to thee Mary thy wife; for that which is begotten in her, is of the Holy Ghost.

Matthew 2:12-13

And being warned of God in a dream, not to return to Herod, they went back into their own country another way.

Matthew 2:22

and came into the land of Israel, But having heard, Archelaus reigneth over Judea, in the room of his father Herod, he was afraid to go thither, and being warned of God in a dream, he turned aside into the region of Galilee.

Treasury of Scripture Knowledge

Summary

But when Herod was dead, behold, an angel of the Lord appeareth in a dream to Joseph in Egypt,

Bible References

An

Matthew 2:13
And when they were gone back, behold an angel of the Lord appeareth to Joseph in a dream, saying, Arise and take the young child and his mother, and flee into Egypt, and continue there till I shall tell thee; for Herod will seek the young child to destroy him.
Matthew 1:20
But while he was thinking on these things, behold an angel of the Lord appeared to him in a dream, saying, Joseph, thou son of David, fear not to take to thee Mary thy wife; for that which is begotten in her, is of the Holy Ghost.