"This is the complete program brochure for the Annual National Gymanfa Ganu held in Detroit Michgan. Sponsored by The National Gymanfa Ganu Association.
A one day event with two Gymanfa Ganu sessions.
This is file number WNAA 00013 in the Association data base. Original documents with the same accession number are stored at the Great Plains Welsh heritage Center, Wymore, Nebraska"