Newspaper article (<a href="https://en.wikipedia.org/wiki/Washington_Times_(1894%E2%80%931939)" class="extiw" title="w:Washington Times (1894–1939)">The Washington Times</a>, September 27, 1918) showing gauze mask recommended by the <a href="https://en.wikipedia.org/wiki/American_Red_Cross" class="extiw" title="w:American Red Cross">Red Cross</a> to halt spread of the <a href="https://en.wikipedia.org/wiki/Spanish_flu" class="extiw" title="w:Spanish flu">Spanish flu</a>.
<i>The Washington Times</i> (newspaper, Washington, D.C., U.S., September 27, 1918)
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