Columbia subject headings:
Harvard subject headings:
Eswatini--Kings and rulers.
Fox, Edward, 1958-
Java (Indonesia)--Kings and rulers.
Kings and rulers--Case studies.
Monarchy--Case studies.
Nigeria--Kings and rulers.
Oman--Kings and rulers.
Tonga--Kings and rulers.
Princeton subject headings:
Despotism.
Java (Indonesia)--Kings and rulers.
Nigeria--Kings and rulers.
Oman--Kings and rulers.
Swaziland--Kings and rulers.
Tonga--Kings and rulers.