Though essentially a frothy operetta, the work satirizes labor-management disputes, stock market speculation and jingoism.

Starting in 1943, Dr. Killingsworth was a mediator and arbitrator in labor-management disputes.

But labor-management disputes remain the focus of much attention at the carriers.

Ordinarily, labor-management disputes over compensation are private affairs.

The topic was compulsory arbitration in labor-management disputes.

The agreement contained a grievance mechanism for solving labor-management disputes.

In 1968, he began acting as an arbitrator in labor-management disputes.

At the time, public law enforcement and the maintenance of order in labor-management disputes was often left to company owners.

"It's a labor-management dispute and we don't want to get dragged into the middle," he said.

Dr. Kelly had for decades arbitrated many labor-management disputes in New York City.