Library of Congress - Web Guides - The Mexican War (Library of Congress)"The digital collections of the Library of Congress contain a wide variety of material associated with the Mexican War (1846-1848), including manuscripts, maps, broadsides, pictures, sheet music, books, and government documents. This guide compiles links to digital materials related to the Mexican War that are available throughout the Library of Congress Web site. In addition, it provides links to external Web sites focusing on the Mexican War and a bibliography containing selections for both general and younger readers."
Off campus access instructions (for e-books)
An artillery officer in the Mexican War, 1846-7 by 
Daily Life of U. S. Soldiers: From the American Revolution to the Iraq War [3 Volumes] by 
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The Diary of James K. Polk during his Presidency, 1845 to 1849 by 
The Encyclopedia of the Mexican-American War by 
Eyewitness to America's Wars by 
The Greenwood Library of American War Reporting by 
Letters of Zachary Taylor, from the Battle-Fields of the Mexican War by 
Mexico at War: From the Struggle for Independence to the 21st-century Drug Wars by 
Opposing Viewpoints in American History by 
Presidents from Adams through Polk, 1825-1849 by 
The U. S.-Mexican War by