[Corky]

From NPR. A pretty good list.

Folk Alley's 100 Most Essential Folk Songs : NPR Music

The 100 Essential Folk Songs

1. "This Land Is Your Land" - Woody Guthrie

2. "Blowin' in the Wind" - Bob Dylan

3. "City of New Orleans" - Steve Goodman

4. "If I Had a Hammer" - Pete Seeger

5. "Where Have All the Flowers Gone" - The Kingston Trio

6. "Early Morning Rain" - Gordon Lightfoot

7. "Suzanne" - Leonard Cohen

8. "We Shall Overcome" - Pete Seeger

9. "Four Strong Winds" - Ian and Sylvia

10. "Last Thing on My Mind" - Tom Paxton

11. "The Circle Game" - Joni Mitchell

12. "Tom Dooley" - The Kingston Trio (Trad)

13. "Both Sides Now" - Joni Mitchell

14. "Who Knows Where the Time Goes" - Sandy Denny

15. "Goodnight Irene" - The Weavers (Trad)

16. "Universal Soldier" - Buffy Sainte-Marie

17. "Don't Think Twice, It's Alright" - Bob Dylan

18. "Diamonds and Rust" - Joan Baez

19. "Sounds of Silence" - Simon & Garfunkel

20. "The Wreck of the Edmund Fitzgerald" - Gordon Lightfoot

21. "Alice's Restaurant" - Arlo Guthrie

22. "Turn, Turn, Turn!" - The Byrds (Pete Seeger)

23. "Puff the Magic Dragon" - Peter, Paul and Mary

24. "Thirsty Boots" - Eric Anderson

25. "There But for Fortune" - Phil Ochs

26. "Across the Great Divide" - Kate Wolf

27. "The Night They Drove Old Dixie Down" - The Band (Robbie Robertson)

28. "The Dutchman" - Steve Goodman

29. "Matty Groves" - Fairport Convention (Trad)

30. "Pastures of Plenty" - Woody Guthrie

31. "Canadian Railroad Trilogy" - Gordon Lightfoot

32. "Ramblin' Boy" - Tom Paxton

33. "Hello in There" - John Prine

34. "The Mary Ellen Carter" - Stan Rogers

35. "Scarborough Fair" - Martin Carthy (Trad)

36. "Freight Train" - Elizabeth Cotton

37. "Like a Rolling Stone" - Bob Dylan

38. "Paradise" - John Prine

39. "Northwest Passage" - Stan Rogers

40. "And the Band Played Waltzing Matilda" - Eric Bogle

41. "Changes" - Phil Ochs

42. "Streets of London" - Ralph McTell

43. "Gentle on My Mind" - John Hartford

44. "Barbara Allen" - Shirley Collins (Trad)

45. "Little Boxes" - Malvina Reynolds

46. "The Water Is Wide" - Traditional

47. "Blue Moon of Kentucky" - Bill Monroe

48. "No Regrets" - Tom Rush

49. "Amazing Grace" - Odetta (Trad)

50. "Catch the Wind" - Donovan

51. "If I Were a Carpenter" - Tim Hardin

52. "Big Yellow Taxi" - Joni Mitchell

53. "House of the Rising Sun" - Doc & Richard Watson (Trad)

54. "Kisses Sweeter Than Wine" - The Weavers

55. "Tangled Up in Blue" - Bob Dylan

56. "The Boxer" - Simon and Garfunkel

57. "Someday Soon" - Ian and Sylvia

58. "Miles" - Peter, Paul and Mary

59. "Masters of War" - Bob Dylan

60. "Wildwood Flower" - Carter Family

61. "Can the Circle Be Unbroken" - Carter Family

62. "Can't Help but Wonder Where I'm Bound" - Tom Paxton

63. "Teach Your Children" - Crosby, Stills Nash & Young

64. "Deportee" - Woody Guthrie

65. "Tecumseh Valley" - Townes Van Zandt

66. "Mr. Bojangles" - Jerry Jeff Walker

67. "Cold Missouri Waters" - James Keeleghan

68. "The Crucifixion" - Phil Ochs

69. "Angel from Montgomery" - John Prine

70. "Christmas in the Trenches" - John McCutcheon

71. "John Henry" - Traditional

72. "Pack Up Your Sorrows" - Richard and Mimi Farina

73. "Dirty Old Town" - Ewan MacColl

74. "Caledonia" - Dougie MacLean

75. "Gentle Arms of Eden" - Dave Carter

76. "My Back Pages" - Bob Dylan

77. "Arrow" - Cheryl Wheeler

78. "Hallelujah" - Leonard Cohen

79. "Eve of Destruction" - Barry McGuire

80. "Man of Constant Sorrow" - Ralph Stanley (Trad)

81. "Shady Grove" - Traditional

82. "Pancho and Lefty" - Townes Van Zandt

83. "Old Man" - Neil Young

84. "Mr. Tambourine Man" - Bob Dylan

85. "American Tune" - Paul Simon

86. "At Seventeen" - Janis Ian

87. "Bridge Over Troubled Water" - Simon & Garfunkel

88. "Road" - Nick Drake

89. "Tam Lin" - Fairport Convention (Trad)

90. "Ashokan Farewell" - Jay Ungar and Molly Mason

91. "Desolation Row" - Bob Dylan

92. "Love Is Our Cross to Bear" - John Gorka

93. "Hobo's Lullaby" - Woody Guthrie

94. "Urge for Going" - Tom Rush

95. "Return of the Grievous Angel" - Gram Parsons

96. "Chilly Winds" - The Kingston Trio

97. "Fountain of Sorrow" - Jackson Browne

98. "The Times They Are A-Changin'" - Bob Dylan

99. "Our Town" - Iris Dement

100. "Leaving on a Jet Plane" - John Denver