| 1. | Racial biology | Wikipedia audio article | 116 | Vlog |
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| 2. | Kaithi | Wikipedia audio article | 107 | |
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| 3. | Dwarkanath Ganguly | Wikipedia audio article | 92 | |
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| 4. | Worlds in Collision | Wikipedia audio article | 63 | |
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| 5. | Mitsubishi 4N1 engine | Wikipedia audio article | 56 | |
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| 6. | Max Muller | Wikipedia audio article | 50 | |
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| 7. | William Gilbert (astronomer) | Wikipedia audio article | 48 | |
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| 8. | Calcutta National Medical College | Wikipedia audio article | 43 | |
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| 9. | Indian Rare Earths Limited | Wikipedia audio article | 43 | |
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| 10. | Uto-Aztecan languages | Wikipedia audio article | 40 | |
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| 11. | Harriet Tubman | Wikipedia audio article | 34 | |
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| 12. | First Enforcement Act of 1871 | Wikipedia audio article | 31 | |
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| 13. | Aryan race | Wikipedia audio article | 30 | |
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| 14. | Visayan people | Wikipedia audio article | 29 | |
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| 15. | Electrophoretic deposition | Wikipedia audio article | 29 | |
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| 16. | Francis I of France | Wikipedia audio article | 29 | |
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| 17. | Atlantic Southeast Airlines Flight 2311 | Wikipedia audio article | 28 | |
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| 18. | Indian National League | Wikipedia audio article | 28 | |
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| 19. | History of Africa | Wikipedia audio article | 27 | |
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| 20. | Battle of Narva (1944) | Wikipedia audio article | 27 | |
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| 21. | Chagatai language | Wikipedia audio article | 26 | |
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| 22. | Brundtland Commission | Wikipedia audio article | 25 | |
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| 23. | Internal transcribed spacer | Wikipedia audio article | 25 | |
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| 24. | Bharatiya Mazdoor Sangh | Wikipedia audio article | 24 | |
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| 25. | Louis XVIII of France | Wikipedia audio article | 24 | |
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| 26. | Natufian culture | Wikipedia audio article | 23 | |
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| 27. | Lepcha alphabet | Wikipedia audio article | 22 | Let's Play |
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| 28. | Klaus Fuchs | Wikipedia audio article | 22 | |
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| 29. | Guild socialism | Wikipedia audio article | 22 | |
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| 30. | Homosexuality | Wikipedia audio article | 21 | |
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| 31. | San Antonio-class amphibious transport dock | Wikipedia audio article | 20 | |
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| 32. | Helena Blavatsky | Wikipedia audio article | 20 | |
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| 33. | Marriott World Trade Center | Wikipedia audio article | 20 | |
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| 34. | Replacement character | Wikipedia audio article | 19 | |
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| 35. | Anarcha-feminism | Wikipedia audio article | 18 | |
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| 36. | Mamoni Raisom Goswami | Wikipedia audio article | 18 | |
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| 37. | Winfield Scott | Wikipedia audio article | 18 | |
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| 38. | First Reading of the Emancipation Proclamation of President Lincoln | Wikipedia audio article | 18 | |
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| 39. | Hajong language | Wikipedia audio article | 16 | |
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| 40. | Singpho dialect | Wikipedia audio article | 16 | |
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| 41. | William Blackstone | Wikipedia audio article | 15 | |
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| 42. | Vannevar Bush | Wikipedia audio article | 15 | |
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| 43. | Metropolitan Life Insurance Company Tower | Wikipedia audio article | 15 | |
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| 44. | Philippine Atmospheric, Geophysical and Astronomical Services Administration | Wikipedia audio a ... | 15 | |
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| 45. | Suzuki F10D engine | Wikipedia audio article | 14 | |
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| 46. | Chiang Kai-shek | Wikipedia audio article | 14 | |
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| 47. | John Robison (physicist) | Wikipedia audio article | 14 | |
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| 48. | Islam in India | Wikipedia audio article | 14 | |
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| 49. | Pope Boniface VIII | Wikipedia audio article | 14 | |
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| 50. | Propylhexedrine | Wikipedia audio article | 14 | |
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| 51. | Catholic Church and Nazi Germany during World War II | Wikipedia audio article | 13 | |
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| 52. | 1963 Syrian coup d'état | Wikipedia audio article | 13 | |
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| 53. | Thomas Henry Huxley | Wikipedia audio article | 13 | Vlog |
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| 54. | Pupul Jayakar | Wikipedia audio article | 13 | |
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| 55. | Enforcement Act of 1870 | Wikipedia audio article | 13 | |
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| 56. | Eyre Coote (East India Company officer) | Wikipedia audio article | 13 | |
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| 57. | List of Sites of Special Scientific Interest in Edinburgh and West Lothian | Wikipedia audio article | 13 | |
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| 58. | Church of Divine Science | Wikipedia audio article | 13 | |
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| 59. | Magnetobiology | Wikipedia audio article | 13 | Vlog |
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| 60. | Tocharian languages | Wikipedia audio article | 12 | |
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| 61. | Graphical Kernel System | Wikipedia audio article | 12 | |
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| 62. | Kolkata | Wikipedia audio article | 12 | |
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| 63. | Kidarites | Wikipedia audio article | 12 | |
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| 64. | Critical legal studies | Wikipedia audio article | 12 | |
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| 65. | 1953 Iranian coup d'état | Wikipedia audio article | 12 | |
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| 66. | Ernst Mayr | Wikipedia audio article | 12 | Vlog |
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| 67. | Meroitic script | Wikipedia audio article | 12 | |
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| 68. | Nanking Massacre | Wikipedia audio article | 12 | |
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| 69. | Philippine Ports Authority | Wikipedia audio article | 12 | |
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| 70. | Karamchand Uttamchand Gandhi | Wikipedia audio article | 12 | |
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| 71. | Nawab Salimullah | Wikipedia audio article | 12 | |
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| 72. | Orthodox Marxism | Wikipedia audio article | 12 | |
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| 73. | Gulzarilal Nanda | Wikipedia audio article | 12 | |
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| 74. | Kalachuris of Kalyani | Wikipedia audio article | 12 | |
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| 75. | Supramolecular chemistry | Wikipedia audio article | 12 | |
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| 76. | SARS conspiracy theory | Wikipedia audio article | 12 | |
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| 77. | An Inconvenient Truth: The Planetary Emergency of Global Warming and What We Can Do About It | W ... | 12 | |
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| 78. | List of communist parties | Wikipedia audio article | 12 | |
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| 79. | George Clinton (vice president) | Wikipedia audio article | 11 | |
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| 80. | Zou language | Wikipedia audio article | 11 | |
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| 81. | Ascocarp | Wikipedia audio article | 11 | |
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| 82. | Sachidananda Routray | Wikipedia audio article | 11 | |
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| 83. | Epiphanius of Salamis | Wikipedia audio article | 11 | |
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| 84. | Romesh Chunder Dutt | Wikipedia audio article | 11 | |
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| 85. | Buddhism in the Maldives | Wikipedia audio article | 11 | |
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| 86. | Robert Morris (financier) | Wikipedia audio article | 11 | |
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| 87. | Pope Gelasius I | Wikipedia audio article | 11 | |
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| 88. | Kingman Reef | Wikipedia audio article | 11 | |
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| 89. | Bhirrana | Wikipedia audio article | 11 | |
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| 90. | Benito Mussolini | Wikipedia audio article | 10 | |
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| 91. | Ombudsman of the Philippines | Wikipedia audio article | 10 | |
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| 92. | The Feynman Lectures on Physics | Wikipedia audio article | 10 | |
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| 93. | Iranun language | Wikipedia audio article | 10 | |
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| 94. | Puerto Ricans in World War I | Wikipedia audio article | 10 | |
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| 95. | Ashapoorna Devi | Wikipedia audio article | 10 | |
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| 96. | Marcelo H. del Pilar | Wikipedia audio article | 10 | |
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| 97. | Balawaristan National Front | Wikipedia audio article | 10 | |
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| 98. | Legislative districts of Nueva Ecija | Wikipedia audio article | 10 | |
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| 99. | Giovanni Gentile | Wikipedia audio article | 10 | |
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| 100. | Abraham Lincoln | Wikipedia audio article | 10 | |
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