- Triumphant Plutocracy: A History of the Gilded Age; the Government and Economics of the United States, 1870-1920 - a Senator's Autobiography
- Imperial Washington;: The story of American public life from 1870-1920 (American imperialism)
- Triumphant Plutocracy: The Story Of American Public Life From 1870 To 1920
- The Course of Empire: An Official Record
- Annexation of the Hawaiian Islands. Speech of Hon. Richard F. Pettigrew, of South Dakota, in the Senate of the United States, June 22 and 23, 1898













