^Kenneth T. Jackson؛ Lisa Keller؛ Nancy Flood، المحررون (2010). "M". The Encyclopedia of New York City: Second Edition. Yale University Press. "The year 1933 marked the introduction of Newsweek by Thomas Martyn and Samuel Williamson, and of United States News (later U.S. News and World Report)."
^"Samuel T. Williamson, 70, Dies; Long on the Sunday Staff". The New York Times. 19 يونيو 1962.
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