51. Letter from Francis Crick to James D. Watson (and notes concerning Watson's book, "The Double Helix")

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52. Letter from Francis Crick to James D. Watson

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53. Letter from Francis Crick to James D. Watson

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54. Letter from Francis Crick to James D. Watson

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55. Letter from Francis Crick to James D. Watson

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56. Letter from Francis Crick to James D. Watson

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57. Letter from Francis Crick to James D. Watson

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58. Letter from Francis Crick to Igor Y. Tamm

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59. Letter from Francis Crick to Harold Himsworth, Medical Research Council of Great Britain

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60. Letter from Francis Crick to David Harker

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61. Letter from Francis Crick to Charlotte Friend

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62. Letter from Francis Crick to Andrew Poggenpohl, National Geographic Magazine

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63. Letter from Charlotte Friend to the Editor of The Sciences

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64. Letter from Charlotte Friend to Francis Crick

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65. Letter from Aaron Klug to Francis Crick

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66. Letter from Aaron Klug to Francis Crick

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67. Is [alpha]-Keratin a Coiled Coil?

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68. How to Live with a Golden Helix

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69. Group portrait of physics research students at the Cavendish Laboratory

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70. Genetical Implications of the Structure of Deoxyribonucleic Acid

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71. Francis Crick lecturing at Cambridge University

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72. Fragment of notes on a double helix model for DNA

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73. Drawing of the double helix

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74. Biochemical Work on Lysozyme

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75. A Structure for DNA (draft)

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76. A Structure for DNA (draft)

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