Passage cross-references.

And I saw in the right hand of him that sat on the throne a book written within and on the backside, sealed with seven seals.

And when he had opened the third seal, I heard the third beast say, Come and see. And I beheld, and lo a black horse; and he that sat on him had a pair of balances in his hand.

And when he had opened the fourth seal, I heard the voice of the fourth beast say, Come and see.

And I heard as it were the voice of a great multitude, and as the voice of many waters, and as the voice of mighty thunderings, saying, Alleluia: for the Lord God omnipotent reigneth.

And out of the throne proceeded lightnings and thunderings and voices: and there were seven lamps of fire burning before the throne, which are the seven Spirits of God. …

And one of the elders saith unto me, Weep not: behold, the Lion of the tribe of Juda, the Root of David, hath prevailed to open the book, and to loose the seven seals thereof. …

And I heard a voice from heaven, as the voice of many waters, and as the voice of a great thunder: and I heard the voice of harpers harping with their harps:

And when he had opened the second seal, I heard the second beast say, Come and see.

And the temple of God was opened in heaven, and there was seen in his temple the ark of his testament: and there were lightnings, and voices, and thunderings, and an earthquake, and great hail.

And cried with a loud voice, as when a lion roareth: and when he had cried, seven thunders uttered their voices. …

For we cannot but speak the things which we have seen and heard.