Results for "Smithsonian Institution. Assistant Secretary for Research"

1. 

   Secretary Langley with Others Survey Zoo Grounds

   • Date: c. 1888
   • Creator: Unknown
   • Creator: Unknown

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3. 

   Secretary Langley with Children

   • Date: Unknown, c. 1900
   • Creator: Unknown
   • Creator: Unknown

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5. 

   Secretary Samuel P. Langley

   • Date: c. 1905
   • Creator: Dinst, Chine
   • Creator: Dinst, Chine

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7. 

   Secretary Langley with Family and Friends

   • Creator: Unknown
   • Creator: Unknown

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9. 

   Secretary Samuel P. Langley

   • Date: 1901
   • Creator: Unknown
   • Creator: Unknown

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11. 

    Secretary Samuel P. Langley

    • Date: c. 1895
    • Creator: Unknown
    • Creator: Unknown

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13. 

    Secretary Langley and His Brother

    • Date: c. 1846
    • Creator: Unknown
    • Creator: Unknown

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15. 

    National Zoological Park, Site Visit with Frederick Law Olmsted

    • Date: 1890 Circa May 1890
    • Creator: Unknown

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17. 

    National Zoological Park, Site Visit with Frederick Law Olmsted

    • Date: 1890 Circa May 1890
    • Creator: Unknown

18.  
19. 

    National Zoological Park, Site Visit with Frederick Law Olmsted

    • Date: 1890 Circa May 1890
    • Creator: Unknown

20.  
21. 

    National Zoological Park, Site Visit with Frederick Law Olmsted

    • Date: 1890 Circa May 1890
    • Creator: Unknown

22.  
23. 

    National Zoological Park, Site Visit with Frederick Law Olmsted

    • Date: 1890 Circa May 1890
    • Creator: Unknown

24.  

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