John 1:18 No one has seen God at any time. The one and only Son, who is in the bosom of the Father, he has declared him.
John 1:34 I have seen, and have testified that this is the Son of God.”
John 1:49 Nathanael answered him, “Rabbi, you are the Son of God! You are King of Israel!”
John 3:16 For God so loved the world, that he gave his one and only Son, that whoever believes in him should not perish, but have eternal life.
John 3:17 For God didn’t send his Son into the world to judge the world, but that the world should be saved through him.
John 3:18 He who believes in him is not judged. He who doesn’t believe has been judged already, because he has not believed in the name of the one and only Son of God.
John 3:36 One who believes in the Son has eternal life, but one who disobeys the Son won’t see life, but the wrath of God remains on him.”
John 5:25 Most certainly, I tell you, the hour comes, and now is, when the dead will hear the Son of God’s voice; and those who hear will live.
John 6:69 We have come to believe and know that you are the Christ, the Son of the living God.”
John 9:35 Jesus heard that they had thrown him out, and finding him, he said, “Do you believe in the Son of God?”
John 10:36 do you say of him whom the Father sanctified and sent into the world, ‘You blaspheme,’ because I said, ‘I am the Son of God?’
John 11:4 But when Jesus heard it, he said, “This sickness is not to death, but for the glory of God, that God’s Son may be glorified by it.”
John 11:27 She said to him, “Yes, Lord. I have come to believe that you are the Christ, God’s Son, he who comes into the world.”
John 19:7 The Jews answered him, “We have a law, and by our law he ought to die, because he made himself the Son of God.”
John 20:31 but these are written, that you may believe that Jesus is the Christ, the Son of God, and that believing you may have life in his name.
There are more references in John as well, where it has 'son' and 'father' together....
Implying again he kept calling himself the 'son of God', which is the charge the Pharisees brought against him, even though he didn't say it.