John 12:29

The multitude, therefore, who stood by and heard it, said that it had thundered; others said, "An angel has spoken to Him."

Acts 23:8-9

For the Sadducees say that there is no resurrection, nor angel, nor spirit; but the Pharisees acknowledge both.

Revelation 6:1

And I saw, when the Lamb opened one of the seven seals, and I heard one of the four living creatures saying, as with a voice of thunder, "Come."

Revelation 8:5

And the angel has taken the censer; and he filled it with the fire of the altar, and cast it to the earth; and there followed thunders, and voices, and lightnings, and an earthquake.

Revelation 11:19

And the Temple of God that is in Heaven was opened, and the ark of His covenant was seen in His Temple; and there were lightnings, and voices, and thunders, and an earthquake, and great hail.

Revelation 14:2

And I heard a voice out of Heaven, as a voice of many waters, and as a voice of great thunder; and the voice which I heard was as that of harpers, harping with their harps.

Revelation 18:1-2

After these things I saw another angel coming down out of Heaven, having great authority; and the earth was illumined with his glory.

Treasury of Scripture Knowledge

Summary

The people therefore, that stood by, and heard it, said that it thundered: others said, An angel spake to him.

Bible References

An angel

Acts 23:8
For the Sadducees say that there is no resurrection, nor angel, nor spirit; but the Pharisees acknowledge both.
Revelation 18:1
After these things I saw another angel coming down out of Heaven, having great authority; and the earth was illumined with his glory.