Related Clues:

• Workers' org. formed in 1886
• Former workers' or sports org
• '60s pigskin org
• Partner of 30-Down
• Half of a 1955 union merger
• Org. that merged with the CIO in 1955
• New York Titans' org. of old
• CIO’s partner
• Half of a '55 union merger
• Inits. in a 1955 union merger
• ___-CIO (union org.)