National Museum of American History

John H. Irwin received patent number 35,158 on May 6, 1862, of this design of a coil oil lamp.

Smithsonian Museum of American History

Rooftop Views ~ National Museum of American History : Design Cuisine

Plan Your Visit National Museum of African American History and

National Museum of African American History and Culture

National Museum of American History, Washington DC

The sad & sorry Smithsonian

Hours and Locations of Smithsonian Museums and Zoo

National Museum of American History

National Museum of American History - Carltonaut's Travel Tips

National Museum of African American History and Culture – Perkins&Will

International Journal of Comic Art blog: Exhibit review

Smithsonian opens new, diverse U.S. history timeline