Francis Xavier Waldron (), yang dikenal dengan pseudonim Eugene Dennis dan Tim Ryan, adalah seorang politikus dan pengorganisir serikat buruh. Ia dikenal sebagai pemimpin jangka panjang Partai Komunis Amerika Serikat

Tulisan 
 The elections and the outlook for national unity., New York, Workers Library Publishers, 1944.
 America at the crossroads: postwar problems and communist policy., New York, New century publishers, 1945.
 Marxism-Leninism vs. revisionism., New York, New Century publishers, 1946 (with William Z. Foster, Jacques Duclos, and John Williamson; foreword by Max Weiss).
 The people against the trusts; build a democratic front to defeat reaction now and win a people’s victory in 1948., New York, New Century Publishers, 1946.
 What America faces: the new war danger and the struggle for peace, democracy and economic security., New York, New century publishers, 1946.
 Let the people know the truth about the Communists which the un-American committee tried to suppress., New York, New century publishers, 1947.
 Eugene Dennis indicts the Wall Street conspirators. New York : National Office, Communist Party, 1948.
 Ideas they cannot jail., New York, International Publishers, 1950.
 Letters from prison. Selected by Peggy Dennis., New York, International Publishers, 1956.
 The Communists take a new look., New York, New Century, 1956.

Catatan kaki

Bacaan tambahan 
 Louis Budenz, Men Without Faces: The Communist Conspiracy in the USA. New York: Harper, 1948; p. 252.
 Peggy Dennis, The Autobiography of an American Communist: A Personal View of a Political Life, 1925-1975. Westport, CT:  L. Hill, 1977.
 John D. Gordon III, "The Dennis Case, Communist Bail Jumpers, and Oliver Ellsworth's 'Outlawry' Bill," American Communist History, vol. 14, no. 2 (August 2015), pp. 105–134.
 John Earl Haynes and Harvey Klehr, Venona: Decoding Soviet Espionage in America. New Haven, CT: Yale University Press, 1999.
 Ann Kimmage, An Un-American Childhood. Athens: University of Georgia Press, 1998; pp. 21–22, 120.
 William M. Wiecek, "The Legal Foundations of Domestic Anticommunism: The Background of Dennis v. United States," Supreme Court Review, vol. 2001 (2001), pp. 375–434. in JSTOR.

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