Members of the United Hard Hats of America ride atop a truck affixed with signs referencing the first anniversary of the Hard Hat Riot during the March for Victory, 8 May 1971

Select what you would like to download. If choosing to download a page, please select the file format you wish to download. Please note full item download may take several minutes (PDF only).

Certain download types may have been restricted by the site administrator.

Select the item elements you would like to include in the embed code.