Articles discussing Hari Singh
North West Frontier Tribes under Ranjit Singh’s Sway in 1837
Narendra Krishna Sinha · The Indian Historical Quarterly, 1942
“On फट 3oth April that year, by a surprise attack at Jamrud, Dost Muhammad succeeded in killing Hari Singh, the flower of Sikh chivalry, the Murat of the Sikh army.”
Ranjit Singh's Civil Administration
Narendra Krishna Sinha · The Indian Historical Quarterly, 1928