وارن جی. هاردینق: نوسخه‌لر آراسینداکی فرق

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* {{Cite book|last=Adams|first=Samuel Hopkins|title=The Incredible Era: The Life and Times of Warren Gamaliel Harding|publisher=Houghton Mifflin|year=1939|isbn=0-374-90051-5|ref={{SfnRef|Adams}}|url-access=registration|url=https://archive.org/details/incredibleeralif0000adam}}