Results for "Smithsonian Institution. Office of Protection Services"

1. 

   Smithsonian Building Cornerstone Laid

   • Date: May 1, 1847

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3. 

   Subject Files, 1915-2023

   • Date: 1915 1915-2023
   • Creator: National Museum of American History (U.S.) Office of the Director

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5. 

   Architectural History of the National Museum Building (Arts and Industries), 1879

   • Date: 1879-ongoing

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