- Presidents Fact Book Revised and Updated!: The Achievements, Campaigns, Events, Triumphs, and Legacies of Every President from George Washington to Barack Obama
- The Handy Presidents Answer Book (Handy Answer Books)
- Complete American Presidents Sourcebook Edition 1.
- The Handy Sports Answer Book (The Handy Answer Book Series)
- U.S. Immigration and Migration
- Sarah Brash
- Irene Taylor
- Don S. Lopez
- Karl-Heinz Reuband
- Tom Cheetham
- Maev Kennedy
- James M. Cannon
- Robert M. Citino
- Ann Marie Cavazos
- John Cavazos
- Stuart Bolger
- Bentley Brinkerhoff Gilbert
- Michael W. Austin
- Michael P. Riccards
- Linda Lotridge Levin
- Oliver Hilmes
- Peter Simkins
- Christopher Hewitt
- Steven I. Levine
- National Cowboy & Western Heritage Museum