Columbia subject headings:
Aeronautics, Commercial--United States--Finance.
Airlines--Employees--Pensions--United States.
Airlines--United States--Management--Evaluation.
Defined benefit pension plans--United States.
Pension trusts--United States--Termination.
Harvard subject headings:
Aeronautics, Commercial--United States--Finance.
Airlines--Employees--Pensions--United States.
Airlines--United States--Management--Evaluation.
Defined benefit pension plans--United States.
Pension trusts--United States--Termination.
Princeton subject headings:
Aeronautics, Commercial--United States--Finance.
Airlines--Employees--Pensions--United States.
Airlines--United States--Management--Evaluation.
Defined benefit pension plans--United States.
Pension trusts--United States--Termination.