Columbia subject headings:
Harvard subject headings:
Clinton, Hillary Rodham
Presidents--United States--Election--2016.
Sanders, Bernard
Trump, Donald, 1946-
United States--Politics and government--2009-2017.
Princeton subject headings:
Clinton, Hillary Rodham.
Presidents--United States--Election--2016.
Sanders, Bernard.
Trump, Donald, 1946-
United States--Politics and government--2009-.