Henry A. Wallace - Biographical article from Wikipedia on the 33rd vice president, who ran for president as a Progressive in 1948.
Henry A. Wallace: The First Three Months - A critical analysis of the early months of Wallace's 1948 presidential campaign, prepared by Americans for Democratic Action. From the Truman Presidential Museum & Library Web site.
The Life of Henry A. Wallace - Radio interview with Wallace's biographer, Christopher Lydon. From the Web site of the WBUR (Boston) program The Connection. Real Audio format.
My Commitments: Betrayal By Old Parties - Acceptance speech as the Progressive Party nominee for president in 1948. From the Truman Presidential Library & Museum Web site.
Wallace, Henry Agard - Encyclopedia Americana biographical entry on Wallace, who served as vice president during the third term of President Franklin Roosevelt (1941-1945)