Columbia subject headings:
Harvard subject headings:
Anecdotes
Autobiographies
Obama, Barack
Pfeiffer, Dan
Presidents--United States--Staff--Biography
Trump, Donald, 1946-
United States--Politics and government--2009-2017
United States--Politics and government--2017-2021
Princeton subject headings:
Mass media--Political aspects--United States.
Obama, Barack--Friends and associates.
Obama, Barack.
Pfeiffer, Dan.
Presidents--United States--Staff--Biography.
Trump, Donald, 1946-
United States--Politics and government--2009-2017.
United States--Politics and government--2017-.