1911 Encyclopædia Britannica, Volume 17… (1911)
“ The most valuable product is opium. The Malwa agency has an area of 8919 sq. m. with a population (1901) of 1,054,753. It comprises the states of Dewas (senior and junior branch) , Jaora, Ratlam, Sitamau and Sailana, together with a large portion of Gwalior, parts of Indore and Tonk, and about 35 petty estates and holdings. The headquarters of the political agent are at Nimach. Malwa is also the name of a large tract in the Punjab, south of the river Sutlej, which is one of the two chief homes of the Sikhs, the other being known as Manjha. ”
