Mansfield/Richland Library - The Sherman Room

RichHistory Alliance

Richland County History - Timothy Brian McKee

Ohio History Connection

Ohio Local History Alliance

NMIH - National Museum of Industrial History

Smithsonian

The Henry Ford

Heinz History Center - Westinghouse Collection

Made in Chicago Museum

Museum of Our Industrial Heritage

American Precision Museum

Somerset Historical Center

Vintage Machinery

American Industrial Mining Museum

Made by US

American Sign Museum