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Showing results for 1 - 100 of 507 1910s 1940s Library Digital Collections

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  1. Biology "Immunity II." (Chicago)

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  2. Biology 1 (Chicago). Includes draft of "Science is my racket" and "Chemostat"

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  3. Biology 7

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  4. Notebook 3

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  5. Patents - Liquid/Liquid extractor

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  6. Physics "Uranium"

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  7. Physics (G-22)

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  8. "Reminiscences" Excerpts 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  9. [Biology (G-31)]

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  10. [Biology (K-12)]

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  11. Aging

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  12. Aging (S-48) 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  13. American Arbitration Association

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  14. Amino Acid Charts

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  15. Angels Project

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  16. Antibody letters (V-83) 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  17. Atchison, Topeka and Santa Fe Railway

    • Collection: Ed Fletcher Papers
    • Name: Fletcher, Ed; Fletcher, Ed, 1872-1955
    • Date: 1912 - 1953
    • Format: text
  18. Atomic Energy Control Conference

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  19. Batchelder, Eugene C. (Fletcher resident manager, Rancho Santa Fe, Solana Beach real estate agent and brother of Fletcher's wife)

    • Collection: Ed Fletcher Papers
    • Name: Fletcher, Ed; Fletcher, Ed, 1872-1955
    • Date: 1913 - 1943
    • Format: text
  20. Bent Brothers Construction Company - Arthur S. and H. Stanley

    • Collection: Ed Fletcher Papers
    • Name: Fletcher, Ed; Fletcher, Ed, 1872-1955
    • Date: 1912 - 1950
    • Format: text
  21. Bethe Chicago (G-29)

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  22. Bibliographic materials 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  23. Biographical publications

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  24. Biographical References for Extension of Leo Szilard Biography 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  25. Biology "DNA" 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  26. Biology (Aging G-27) 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  27. Biology (B-1) 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  28. Biology (E-11) 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  29. Biology (E-52) 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  30. Biology (R-26) 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  31. Biology 4 (Chicago)

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  32. Biology Algae (E-33) 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  33. Boulder Creek diverting dam

    • Collection: Ed Fletcher Papers
    • Date: between 1910 and 1955
    • Topic: Dams
    • Format: image
  34. Boulder Creek diverting dam

    • Collection: Ed Fletcher Papers
    • Date: between 1910 and 1955
    • Topic: Dams
    • Format: image
  35. Boulder Creek diverting dam

    • Collection: Ed Fletcher Papers
    • Date: between 1910 and 1955
    • Topic: Dams
    • Format: image
  36. Boulder Creek, San Diego County

    • Collection: Ed Fletcher Papers
    • Date: between 1910 and 1955
    • Topic: Rivers
    • Format: image
  37. Bullsperm - Photographs

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  38. Bund

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  39. C- miscellaneous - Correspondence - part 1

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo -- correspondence
    • Date: between 1898 and 1998
    • Format: text
  40. California State - Division of Forestry

    • Collection: Ed Fletcher Papers
    • Name: Fletcher, Ed; Fletcher, Ed, 1872-1955
    • Date: 1918-1955
    • Format: text
  41. Canfield, Cass

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  42. Central Nervous System

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  43. Choate, Rufus (San Diego early water commissioner.) Includes notes on water history

    • Collection: Ed Fletcher Papers
    • Name: Fletcher, Ed; Fletcher, Ed, 1872-1955
    • Date: 1914 - 1950
    • Format: text
  44. City Council

    • Collection: Ed Fletcher Papers
    • Name: Fletcher, Ed; Fletcher, Ed, 1872-1955
    • Date: 1913 - 1948
    • Format: text
  45. Cold Springs Harbor Symposium

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  46. Collected Works of Leo Szilard: Notes - 1

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  47. Collected Works of Leo Szilard: Notes - 2

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  48. Collected Works of Leo Szilard: Notes - 4

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  49. Collected Works of Leo Szilard: Notes - 5

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  50. Congress International de Physique Nucleaire

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  51. Coronary Heart Disease

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  52. Council and the Lobby

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  53. Council to Abolish War - Correspondence of public response

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  54. Council to Abolish War - General materials

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  55. Council, MIT 

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo -- Oratory
    • Date: between 1898 and 1998
    • Format: text
  56. Counts #2

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  57. Cromwell, George (Engineer, City of San Diego and chief engineer, San Diego County Water Company)

    • Collection: Ed Fletcher Papers
    • Name: Fletcher, Ed; Fletcher, Ed, 1872-1955
    • Date: 1915 - 1943
    • Format: text
  58. Crowd in front of building

    • Collection: Ed Fletcher Papers
    • Date: between 1910 and 1950
    • Topic: Crowds
    • Format: image
  59. Curriculum vitae

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  60. Damkeeper's house at Boulder Creek diverting dam

    • Collection: Ed Fletcher Papers
    • Date: between 1910 and 1955
    • Format: image
  61. Davis, Edward H.

    • Collection: Ed Fletcher Papers
    • Name: Fletcher, Ed; Fletcher, Ed, 1872-1955
    • Date: 1911-1941
    • Format: text
  62. Disarmament (V-11) 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  63. Doctor Szilard interviews Doctor Teller 

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo -- interviews
    • Date: between 1898 and 1998
    • Format: text
  64. Doctor Szilard interviews Doctor Watson 

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo -- interviews
    • Date: between 1898 and 1998
    • Format: text
  65. E-Miscellaneous - Correspondence

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo -- correspondence
    • Date: between 1898 and 1998
    • Format: text
  66. Eagle's Nest Dam, San Diego County

    • Collection: Ed Fletcher Papers
    • Date: between 1917 and 1940
    • Topic: Lakes; Dams
    • Format: image
  67. Eagle's Nest Dam, San Diego County

    • Collection: Ed Fletcher Papers
    • Date: between 1917 and 1940
    • Topic: Dams
    • Format: image
  68. Eagle's Nest Dam, San Diego County

    • Collection: Ed Fletcher Papers
    • Date: between 1917 and 1940
    • Topic: Dams
    • Format: image
  69. Eagle's Nest Dam, San Diego County

    • Collection: Ed Fletcher Papers
    • Date: between 1917 and 1940
    • Topic: Lakes; Dams
    • Format: image
  70. Early receipts

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  71. Ed Fletcher posing with unidentified group near log cabin

    • Collection: Ed Fletcher Papers
    • Name: Fletcher, Ed, 1872-1955
    • Date: between 1910 and 1940
    • Format: image
  72. El Cajon, City - Attorneys (except Phillip Storer Thacher ) and city clerks

    • Collection: Ed Fletcher Papers
    • Name: Fletcher, Ed; Fletcher, Ed, 1872-1955
    • Date: 1919 - 1951
    • Format: text
  73. El Cajon, City - Board of Trustees - Presidents, O.D. Inness and J.A. McKinnon

    • Collection: Ed Fletcher Papers
    • Name: Fletcher, Ed; Fletcher, Ed, 1872-1955
    • Date: 1914 - 1946
    • Format: text
  74. Enzymes - graphs and charts

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  75. Equipment and supplies catalogs - 1

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  76. F- miscellaneous - Correspondence

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo -- correspondence
    • Date: between 1898 and 1998
    • Format: text
  77. Family emigration to United States

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  78. Family portrait on columned porch

    • Collection: Ed Fletcher Papers
    • Date: between 1910 and 1940
    • Format: image
  79. Family property in Hungary

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  80. Farmland, San Diego County

    • Collection: Ed Fletcher Papers
    • Date: between 1895 and 1955
    • Format: image
  81. Farmland, San Diego County

    • Collection: Ed Fletcher Papers
    • Date: between 1895 and 1955
    • Format: image
  82. Farmland, San Diego County

    • Collection: Ed Fletcher Papers
    • Date: between 1895 and 1955
    • Format: image
  83. Fertility Control

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  84. Financing of higher education in the professional schools of the U. of Chicago

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  85. Fletcher family (Including sister Mary, sons Charles and Eugene, daughter Virginia Hawke and statement by wife Mary)

    • Collection: Ed Fletcher Papers
    • Name: Fletcher, Ed; Fletcher, Ed, 1872-1955
    • Date: 1916 - 1945
    • Format: text
  86. Fletcher family Eagle's Nest retreat, San Diego County

    • Collection: Ed Fletcher Papers
    • Date: between 1917 and 1950
    • Topic: Dams; Mountain retreats; Lakes
    • Format: image
  87. Fletcher family Eagle's Nest retreat, San Diego County

    • Collection: Ed Fletcher Papers
    • Date: between 1917 and 1950
    • Topic: Dams; Lakes; Mountain retreats; Tree houses
    • Format: image
  88. Fletcher family Eagle's Nest retreat, with swimmers poised on dam's edge, San Diego County

    • Collection: Ed Fletcher Papers
    • Date: between 1917 and 1950
    • Topic: Mountain retreats; Dams; Lakes; Tree houses
    • Format: image
  89. Free market economy in a 'constant flow' monetary system - handwritten notes

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  90. Freedom of Information Act - Department of the Army - 1

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  91. Freedom of Information Act - Department of the Army - 2

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  92. Freedom of Information Act - Federal Bureau of Investigation (FBI) - 1

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  93. Freedom of Information Act - Freedom of Information Act 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  94. Freedom of Information Act - Miscellaneous 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  95. G- miscellaneous - Correspondence - part 1

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo -- correspondence
    • Date: between 1898 and 1998
    • Format: text
  96. G- miscellaneous - Correspondence - part 2

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo -- correspondence
    • Date: between 1898 and 1998
    • Format: text
  97. G-Miscellaneous - Correspondence

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo -- correspondence
    • Date: between 1898 and 1998
    • Format: text
  98. General Materials - MIT Press, Harvard Press, and Others 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  99. General recommendations concerning research on uranium

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  100. Graded roads and lamp posts in new subdivision, San Diego

    • Collection: Ed Fletcher Papers
    • Date: between 1910 and 1940
    • Topic: Roads
    • Format: image