PBS
Crucible of Empire: Yellow Journalism
Discusses "yellow journalism" and its impact on the Spanish- American War.
Patrick McSherry
Spanish American War Centennial: Black, White, and Yellow
This site contains information on the type of journalism that the press used during the Spanish-American War. It includes a brief history of how yellow journalism influenced the Spanish-American War.
University of Groningen
American History: Essays: Manifest Destiny: Many Shades of Manifest Destiny
A discussion of the other guises of Manifest Destiny, including imperialism, yellow journalism, the idea of the white man's burden, the Monroe Doctrine, and the Roosevelt Corollary.