How Maine’s Samuel Mayall Brought America its First Woolen Mill - New England Historical Society
Wool
Maine History Online - Biddeford, Saco and the Textile Industry
Maine Woolens
Peek inside Maine Woolens' Textile Mill in Brunswick
The Mayall Mills: History: Discover History & Explore Nature: State Parks and Public Lands: Maine ACF
Worumbo Mill - Wikipedia
Worumbo Mills, Lisbon Falls, ca. 1882 - Maine Memory Network