Columbia subject headings:
Amtrak--Appropriations and expenditures--Evaluation.
Amtrak--Management--Evaluation.
Food service management--United States--Evaluation.
Harvard subject headings:
Amtrak--Appropriations and expenditures--Evaluation.
Amtrak--Management--Evaluation.
Food service management--United States--Evaluation.
Princeton subject headings:
Amtrak--Appropriations and expenditures--Evaluation.
Amtrak--Management--Evaluation.
Food service management--United States--Evaluation.