Columbia subject headings:
Nuclear power plants--Accidents--Pennsylvania--Congresses.
Nuclear power plants--Accidents--Pennsylvania--Harrisburg Region--Congresses.
Three Mile Island Nuclear Power Plant (Pa.)--Congresses.
Harvard subject headings:
Nuclear power plants--Accidents--Pennsylvania--Congresses
Three Mile Island Nuclear Power Plant (Pa.)--Congresses.
Princeton subject headings:
Nuclear power plants--Pennsylvania--Accidents--Congresses.
Three Mile Island Nuclear Power Plant (Pa.)--Congresses.