National Geographic Society (U.S.), editor.

Burgan, Michael.

Siegel, Rebecca, author. Weinstein, Ellen, illustrator.

Sainsbury, Brendan, author. Isalska, Anita, author. Matchar, Emily, author. Armstrong, Kate (Travel writer), author. St. Louis, Regis, author.

Yeoman, R. S. (Richard S.), author. Bressett, Kenneth E, editor. Garrett, Jeff (Numismatist), editor. Bowers, Q. David, ditor. Whitman Publishing, LLC, publisher.

Rand McNally and Company.

Guelzo, Allen C. Teaching Company.

Best, Troy L., author. Hunt, John L. author.

Yeoman, R. S. (Richard S.), author. Garrett, Jeff (Numismatist), editor. Bowers, Q. David, editor. Bressett, Kenneth E, editor.

National Geographic Society (U.S.), editor.

Landau, Elaine.

Yeoman, R. S. (Richard S.) Bressett, Kenneth E.