Other
The Literature Network: Upton Sinclair
Biographical details on Upton Sinclair, noted American muckraker, social activist, essayist, and Pulitzer Prize winning author who wrote The Jungle (1906).
Baertracks
Creative Quotations: Upton Sinclair
Read and think about what the great "muckraker" Upton Sinclair had to say about various topics. Also provides source information.
Other
Weebly: Muckraker Multi Media: Political Cartoons
Five political cartoons that deal with uncovering unjust activities in various corporations by Upton Sinclair, Ida Tarbell, Jane Addams, Samuel Hopkins Adams, and John Spargo.