Results for "Smithsonian Institution. Environmental Sciences Program"

1. SI History Bibliography

   Baird, Spencer Fullerton

   • Date: 1970
   • Creator: Allard, Dean C. 1933-
   • Creator: Allard, Dean C. 1933-

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3. SI History Bibliography

   Biographical Memoir of Robert Ridgway, 1850-1929

   • Creator: Wetmore, Alexander 1886-
   • Creator: Wetmore, Alexander 1886-

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   Robert Ridgway (1850-1929)

   • Date: 1920 1920s

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   Robert Ridgway

   • Date: 1884
   • Creator: Unknown
   • Creator: Unknown

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   Robert Ridgway Sitting at a Desk

   • Date: c. mid 1890s
   • Creator: Unknown
   • Creator: Unknown

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    Portrait of Robert Ridgway (1850-1929)

    • Date: 1873 April 1873
    • Creator: Ulke Bros

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13. Authority Record/EAC

    Agency history, 1880-

    • Date: 1880 1880-
    • Creator: National Museum of Natural History (U.S.) Division of Birds

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15. Collection

    Correspondence, 1874-2003

    • Date: 1874 1874-2003
    • Creator: National Museum of Natural History (U.S.) Division of Birds

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17. Collection

    Robert Ridgway Papers, undated

    • Date: undated
    • Creator: Ridgway, Robert 1850-1929

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19. Collection

    Robert Ridgway Papers, undated

    • Date: undated
    • Creator: Ridgway, Robert 1850-1929

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    Robert Ridgway (1850-1929)

    • Date: 1927 Labor Day, 1927
    • Creator: Magann, J. W

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    Robert Ridgway (1850-1929)

    • Date: 1898 August 10, 1898

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