Allard, Wayne. Colorado's U.S. Senators: A Biographical Guide, 1876-2004. Golden, Colo.: Fulcrum, 2007.
- How the House Works
- Campaign Collectibles: Running for Congress
- The First Women in Congress
- What's in the Capitol?
- House Office Buildings
- The Tourist’s Capitol
- Electronic Technology in the House of Representatives
- Portraits in the House of Representatives
- On Display: Exhibitions from the House Collection