Boone, M. E., & Boone, M. E. (2019). "The Spanish element in our nationality": Spain and America at the world's fairs and centennial celebrations, 1876-1915. University Park, Pennsylvania: The Pennsylvania State University Press.

Boone, Mary Elizabeth, und Mary Elizabeth Boone. "The Spanish Element in Our Nationality": Spain and America At the World's Fairs and Centennial Celebrations, 1876-1915. University Park, Pennsylvania: The Pennsylvania State University Press, 2019.

Boone, Mary Elizabeth, und Mary Elizabeth Boone. "The Spanish Element in Our Nationality": Spain and America At the World's Fairs and Centennial Celebrations, 1876-1915. University Park, Pennsylvania: The Pennsylvania State University Press, 2019.