Mel's 70th Crossword

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Across
  1. 4. Oxford college originally named after its founder, Cardinal Wolsley
  2. 7. Voter upset by right man
  3. 9. House seductress clutching large ring? Not half!
  4. 11. Relatively important timber producer?
  5. 13. Keys for getting out
  6. 14. Pilot supports church president
  7. 16. Used canes to attempt to find predecessors
  8. 18. A rash girl?
  9. 20. Angry exchange you are looking at
  10. 23. Exchange acme loom with North West School
  11. 24. Dances with a wife - that's a puzzle
  12. 26. Bend over during pause
  13. 28. Snail copter shuffles into village?
  14. 29. Law will untie shattered tree
  15. 30. Composer's name called out
  16. 31. Instrument of Scott in post office
Down
  1. 1. One in a den shaking before lion's entry?
  2. 2. Wasted Rat could be?
  3. 3. Quietly drink, spilling gallons? This might be baffling!
  4. 5. Ely pru moves to local town
  5. 6. Oratorio is recalled in shame, unfortunately
  6. 8. Heart perhaps that's stopped in church?
  7. 9. Small, constant, extremely tiny number
  8. 10. Clowns right among healthy group of siblings
  9. 12. Sign next to railway building
  10. 14. Cold house - one originally reserved for group of singers
  11. 15. Yeah, we left muddled village
  12. 17. Groundsman extremely relieved, falling for a woman
  13. 19. Game of golf needing fortieth round
  14. 21. Name Eli gave his daughter
  15. 22. Error exchanging rook for knight, following failure to see mistress
  16. 25. Old monarch at first just omits his name
  17. 27. Mr Ford styled Ron's hair