Columbia subject headings:
Kazakhstan--History--20th century--Chronology.
Kazakhstan--Politics and government.
Nazarbaev, Nursultan--Chronology.
Nazarbaev, Nursultan.
Presidents--Kazakhstan--History--20th century--Chronology.
Harvard subject headings:
Heads of state--Kazakhstan--Biography.
Kazakhstan--History--20th century--Chronology.
Kazakhstan--Politics and government--1991---Chronology.
Kazakhstan--Politics and government.
Nazarbaev, Nursultan
Nazarbaev, Nursultan--Chronology.
Presidents--Kazakhstan--History--20th century--Chronology.
Princeton subject headings: