Analysis of information sources in references of the Wikipedia article "Cardigan (sweater)" in English language version.
The red sweater, knitted by his late mother, was donated to the Smithsonian's National Museum of American History by Fred Rogers on November 20, 1984.
The red sweater, knitted by his late mother, was donated to the Smithsonian's National Museum of American History by Fred Rogers on November 20, 1984.