Columbia subject headings:
Punjab (India)--Politics and government--20th century.
Sikhs--India--History--20th century.
Harvard subject headings:
Punjab (India)--Politics and government--20th century.
Sikhs--India--History--20th century.
Princeton subject headings:
Punjab (India)--History--Partition, 1947.
Sikhs--India--Punjab--History--20th century.