Columbia subject headings:
Police--Sudan--Biography.
Zayn al-ʻĀbidīn, ʻUthmān.
Harvard subject headings:
Police--Sudan--Biography.
Sudan--Politics and government
Zayn al-ʻĀbidīn, ʻUthmān.
Princeton subject headings:
Police--Sudan--Biography.
Sudan--Politics and government.
Zayn al-ʻĀbidīn, ʻUthmān.