Related Clues:

• They wore blue
• Group for people in labor?
• Shop steward's group
• Workers' group
• Norma Rae's group
• Rugby ___
• Labor party?
• Group of workers
• It may have many locals
• Group for ones in labor?
• Collective-bargaining group
• USSR part
• Group that strikes
• Word with card or catalog
• SAG, for one