2. Kegel, 1956, pg. 497

3. Perry and Whipple, 1981; Davidson, et al, Survey Instrument

4. Whipple and Komisaruk, 1991, pg. 234

5. De Graaf, pgs. 103-104

6. Sevely and Bennnett, pg. 5

7. Gräfenberg, pg. 147

8. Kinsey, Alfred, Sexual Behavior in the Human Female, pgs. 634-635

9. Masters and Johnson, Human Sexual Response, pg. 135

10. Masters and Johnson, Masters and Johnson on Sexuality and Human Loving, pgs. 69-70

11. Ibid., pg. 70

12. Davidson, et al and Darling, et al

13. Darling, et al, pgs. 37-38

14. Ibid., pg. 40

15. Davidson, et al, pg. 110

16. Addiego, et al, pg. 17

17. Addiego, et al, pg. 19

18. Ibid., pg. 19

19. Alzate and Hock, pg. 217

20. Gomez, et al, pg. 430

21. Goldberg, et al (1983), pg. 27

22. Goldberg, et al, pg. 31

23. Belzer, Whipple and Moger, pg. 403

24. Zaviacic, et al, 1988, pg. 323

25. Ibid., pg. 324

26. Zaviacic & Whipple, pg. 150

27. Huffman, 1948, pg. 97

28. De Graaf, pg. 104

29. Skene, pgs. 265-270

30. Johnson, pgs. 18-33

31. Caldwell, pg. 631-632

32. Huffman, 1943, pgs. 783-784

33. Huffman, 1948, PG. 97-98

34. Berkow, 1953, pg. 350

35. Pollen and Dreilinger, pg. 303

36. Tepper, et al, pg. 423

37. Zaviacic, 1985, pg. 28

38. Zaviacic and Whipple, pg. 149

39. Gräfenberg, pg. 146

40. Crooks and Baur, pgs. 206-208

41. Zaviacic, Journal of Sex Research, 1988, pg. 311.

42. Bullough, et al, 1984, pg. 59.

43. Whipple and Komisaruk, 1991, pg. 230

44. Perry and Whipple, 1981, pg.32
45. Singer and Singer, in Handbook of Sex Therapy, pg. 179

46. Ladas, et al, The G Spot and Other Recent Discoveries About Human Sexuality, pg. 152.

47. Tanagho and McAninch, Smith's General Urology, pg. 538

48. Khan, pg. 281

49. Khan, pg. 281.

50. Kegel, 1956, pg. 497

51. Perry and Whipple, 1981, pg. 23

52. Ibid., pg. 23

53. Levitt, et al, pg. 429

54. Kegel, 1956, pg. 497

55. Winton, pg. 151

56. Winton, pg. 154

57. Ibid., pg. 154

58. Winton, pg. 154

59. Addiego et al, pg. 16

60. Zaviacic and Whipple, pg. 150

61. Khan, pg. 281.

62. Goldberg, et al (1983), pg. 27