1. Lithograph of the residence of the Schermerhorn Family

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2. Letter from W. T. Sedgwick to Albert F. Blakeslee

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3. Untitled English class paper by Alfred E. Mirsky while attending Harvard

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4. Joshua Lederberg's parents Zvi and Esther Lederberg at their wedding

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5. Text of Identical Resolutions of Geneva Protocol of 1925

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6. Postcard of Joshua Lederberg (age 4) and his mother, Esther

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7. What I would like to Be (Joshua Lederberg's writing at age 7)

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8. Letter from Frank B. Hanson to Edward L. Tatum

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9. Letter from the General Education Board to Edward L. Tatum

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10. On Secondary Colony Development In Bacteria And An Analogy With Tumour Production In Higher Forms

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11. Letter from George W. Beadle to Edward L. Tatum

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12. Letter from E. B. Fred to Edward L. Tatum

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13. Letter from George W. Beadle to Edward L. Tatum

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14. Letter from Edward L. Tatum to Nils Fries

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15. Joshua Lederberg (age 14) at the 42nd Annual Convention of the Zionist Organization of America

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16. Edward L. Tatum at Stanford University

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17. Edward L. Tatum taking notes

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18. Letter from George W. Beadle to Warren Weaver

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19. Research proposal from Joshua Lederberg to Henry Platt, American Institute Science Laboratory

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20. Joshua Lederberg at the Microtome at the American Institute

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