58.

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Across
  1. 2. No man is unfamiliar with this (7)
  2. 4. "No man is an island"? This Arab's surrounded! (5)
  3. 6. Renowned foreign isle poet (1,1,5)
  4. 7. At a sitting, no man is needed to be president
  5. 9. "No man is ___ to his valet"
  6. 11. "No man is an island ..." - this includes Arabs (6)
  7. 12. Large house no man is prepared to obtain
  8. 15. "No man is a ___ to his valet" (Cornuel)
  9. 17. TIME This old man is an annual figure appearing on the dot (6,4)
  10. 18. "No man is an island" poet
  11. 19. HIS "No man is a hero ___ valet"
Down
  1. 1. Rhode Island poet's outburst provokes witty retort (7)
  2. 3. OF ARTS University man is an expert in skilful devices (6,2,4)
  3. 5. "No Man Is an Island" writer Thomas
  4. 8. The bread-man is an idle fellow? (6)
  5. 9. 'No man is ___ arbitrator in his own cause': Hobbes
  6. 10. Old man is an old friend (7)
  7. 13. Island (poet)
  8. 14. "No man is an ___"
  9. 16. SAW 'No man is an island,' e.g.