Source:Vidunas-gangwisch
From Pittsburgh Streets
Edward P. Vidunas. "Gangwisch Comparative Notes." Pittsburgh Brewers: Every brewery ever in Pittsburgh, Dec. 16, 2012. http://www.pittsburghbrewers.com/styled-39/styled-41/; archived at https://web.archive.org/web/20190411093051/http://www.pittsburghbrewers.com/styled-39/styled-41/.
