Results for "National Science Foundation (U.S.)"
National Zoological Park, Bears
- Date: 1900 Circa 1900s/1910s
- Creator: United States National Museum Photographic Laboratory
National Zoological Park, Bear
- Date: 1900 Circa 1900s/1910s
- Creator: United States National Museum Photographic Laboratory
National Zoological Park, Bear
- Date: 1900 Circa 1900s/1910s
- Creator: United States National Museum Photographic Laboratory
National Zoological Park, Zebu
- Date: 1890 Circa 1890s
- Creator: United States National Museum Photographic Laboratory
National Zoological Park, Zebu
- Date: 1890 Circa 1890s
- Creator: United States National Museum Photographic Laboratory
National Zoological Park, Deer
- Date: 1900 Circa 1900s
- Creator: United States National Museum Photographic Laboratory
National Zoological Park, Elk
- Date: 1890 Circa 1890s/1900s
- Creator: United States National Museum Photographic Laboratory
National Zoological Park, Elk
- Date: 1890 Circa 1890s/1900s
- Creator: United States National Museum Photographic Laboratory
National Zoological Park, Elk
- Date: 1890 Circa 1890s/1900s
- Creator: United States National Museum Photographic Laboratory
National Zoological Park, Elk
- Date: 1890 Circa 1890s/1900s
- Creator: United States National Museum Photographic Laboratory
National Zoological Park, Zebra
- Date: 1900 Circa 1900s/1910s
- Creator: United States National Museum Photographic Laboratory
Llama Shed, National Zoo
- Date: c. 1890
- Creator: Unknown
- Creator: Unknown
