30 As he spoke these things, many believed in him.
John 8:30 Cross References - NHEB
John 2:23
23 Now when he was in Jerusalem at the Passover, during the feast, many believed in his name, after seeing his signs which he did.
John 6:14
14 When therefore the people saw the sign which he did, they said, "This is truly the Prophet who comes into the world."
John 7:31
31 But many in the crowd believed in him. They said, "When the Christ comes, he won't do more signs than those which this man has done, will he?"
John 10:42
42 And many believed in him there.
John 11:45
45 Therefore many of the Judeans, who came to Mary and had seen the things which he did, believed in him.