Columbia subject headings:
Chulalongkorn, King of Siam, 1853-1910--Travel--Malay Peninsula.
Malaya--Description and travel.
Singapore--Description and travel.
Thailand--Kings and rulers--Biography.
Harvard subject headings:
Chulalongkorn, King of Siam, 1853-1910--Travel--Malaysia--Malaya.
Malaya--Description and travel.
Thailand--Kings and rulers--Biography
Princeton subject headings: