"This resource sheds light on this transformative period in American history, through the records of some of its most famous luminaries of industry, culture, and politics. Highlights include John D. Rockefeller Sr’s personal papers including business records, personal correspondence and photographs; The Astor Family papers from the New York Historical Society; Diaries, scrapbooks and ephemera from the Newport Historical Society, documenting the opulent mansions and lavish social scene of this elite summer resort; Edith Wharton’s personal correspondence and holograph manuscripts of The Age of Innocence and The House of Mirth; Records and drawings from renowned Gilded Age architecture firm, McKim, Mead and White; Political satire and cartoon collections including original illustrations by Thomas Nast and Joseph Keppler; Industry, labor and business records from the Hagley Museum and Library, covering railway and steel corporations."