Columbia subject headings:
Harvard subject headings:
Black, George Washington, 1945-
Hall, James Evan, 1941-
Hammerschmidt, John Arthur.
United States. National Transportation Safety Board--Officials and employees--Selection and appointment.
Princeton subject headings:
Black, George Washington, 1945-
Hall, James Evan, 1941-
Hammerschmidt, John Arthur.
United States. National Transportation Safety Board--Officials and employees--Selection and appointment.