6. Arduous journey

10. Sibilant summons

14. Down the road, so to speak

15. Regulation

16. Old-school learning method

17. In the past

19. Foreboding

20. Type of museum artifact

21. Agenda entries

22. Nautical ropes

26. Manuscript marks

28. Giraffe cousins

29. Deli selection

30. Of Nordic stock

31. Part of "the works"

32. CEO's degree, often

35. Holds up

36. Prior to, old-style

37. Clap

38. Letters from your parents?

39. "Likewise"

40. Bait

41. Scientific duplicates

43. Calamitous

44. Vail trail

45. Toxins

46. Lion-colored

47. Baby bottom balm

48. Yearn for

49. In the past

55. Small songbird

56. Caught in the act

57. Black tea

58. Without

59. Custodian's collection

60. Street talk

1. European sight

2. Hostilities

3. Had a bite, e.g.

4. Gun, as an engine

5. Outdoor theatre

6. Bridge support

7. Con

8. Annex

9. E or G, e.g.

10. For the time being

11. In the past

12. Curbs, e.g.

13. Some till bills

18. Boat propellers

21. OPEC member

22. Squirrel away

23. Ohio tire center

24. In the past

25. Places for sweaters?

26. Where "Aida" premiered

27. African lily

29. Spoiled brats

31. More than once

33. Washroom fixture

34. "Smart" ones

36. Hokkaido native

37. Exemplars of twinship

39. Fishing craft

40. Arm muscles

42. Hotel supplies, notably

43. Cost to cross, e.g.

44. Pelvic bones

45. Nuisances

46. Fancy marbles

47. He and she

49. Quiz, i.e.

50. Lilliputian

51. Neighbor of Ger.

52. Alias

53. Voting "nay"

54. Bar supply