20. What were written at Corinth?
21. Which Gospel is said to have been here written?
22. When did St. Paul's third journey begin?
23. What was his first station?
24. What was the cause of the tumult at Ephesus?
25. Which Epistles were written in his third journey?
26. How far did his third journey extend?
27. What caused his return to Jerusalem?
28. What were his troubles at Jerusalem?
29. How was he rescued from violence both of Jews and Romans?