The official repository of the UTW is the Southern Labor Archives at Georgia State University, but there is a good deal of non-print information about the UTW in the Wisconsin Historical Society's TWUA collection and printed information in the Historical Society's library. The TWUA collection has extensive files on the various merger attempts, a small amount of important pre-TWUA UTW records, and also some TWUA Research Department reports comparing TWUA elections, contracts, and organization with UTW's.
