Results for "Smithsonian Institution. Environmental Sciences Program"

1. 

   Portrait of Robert Ridgway (1850-1929) and William Brewster (1851-1919)

   • Date: 1890 1890s
   • Creator: Unknown

2.  
3. 

   Group Portrait of Robert Ridgway, Bradshaw Hall Swales, and Charles Wallace Richmond

   • Date: 1928 Before 1928
   • Creator: Unknown

4.  
5. Finding Aid

   SIA Acc. 06-110, Audubon Naturalist Society of the Central Atlantic States, Records, circa 1919-1954

   • Date: 1919 1919-1954 circa 1919-1954
   • Creator: Audubon Naturalist Society of the Central Atlantic States
   • Creator: Smithsonian Institution Archives

6.  
7. Finding Aid

   SIA RU007167, Ridgway, Robert 1850-1929, Robert Ridgway Papers, circa 1850s-1919

   • Date: 1850 1850-1919 circa 1850s-1919
   • Creator: Ridgway, Robert, 1850-1929
   • Creator: Smithsonian Institution Archives

8.  
9. Finding Aid

   SIA RU007167, Ridgway, Robert 1850-1929, Robert Ridgway Papers, circa 1850s-1919

   • Date: 1850 1850-1919 circa 1850s-1919
   • Creator: Ridgway, Robert, 1850-1929
   • Creator: Smithsonian Institution Archives

10.  

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