Design and Development
Integration

The New York Times
The National Constitution Center is deeply grateful to the support of
The New York Times, whose generosity permitted the publication of
original New York Times articles throughout the Constitutional Timeline
website.
Images
USHistory.org
Library of Congress, Prints and Photographs Division
The Library Company of Philadelphia
National Constitution Center
N. Phelps Stokes Collection, Miriam and Ira D. Wallach Division of Art, Prints and Photographs, The New York Public Library, Astor, Lenox and Tilden Foundations
National Archives and Records Administration
Image courtesy of Harpers Weekly
Smithsonian Institution, National Anthropological Archives
Library of Congress, Prints and Photographs Division
Union Pacific Museum
Courtesy of Harold B. Lee Library, Brigham Young University
www.PragueExperience.com
Audio
Song: "Old Dan Tucker" Performed by Japher's 'Original' SANDY RIVER MINSTRELS" and "Courtesy *Uncle Tom's Cabin & American Culture: A Multi-Media Archive*"
www.fifedrum.org
Library of Congress, "Molly Dear" Recorded by Sidney Robertson Cowell in Alameda, California on April 6, 1939.
The Star Spangled Banner. The Curtis Symphony Orchestra, in the Academy of Music, Philadelphia, PA, October 2001, arranged and conducted by Otto-Werner Mueller. Used by permission of The Curtis Institute of Music.
Special Thanks
Sincere thanks to A More Perfect Union for the "Can You Vote?" interactive games and additional audio and to Hock Films for the "Point/Counterpoint" videos.