The Gilded Age: Treasures from the Smithsonian American Art Museum
https://americanart.si.edu/t2go/1ga/index-frame.html
A collection of art and decorative arts from the Smithsonian
The Preservation Society of Newport County: Collections
http://www.newportmansions.org/learn/collections
The digital collections of Newport County's historical society
Why We're in a New Gilded Age
http://www.nybooks.com/articles/2014/05/08/thomas-piketty-new-gilded-age/
A modern news article about the relationship between the Gilded Age and today's society
