"Nawab Khan Tanaoli continued from the Sikh rule, given annexation", Report of the land revenue settlement of the Hazara district of the Punjab,E G.Wace 1872 page clxxx[2]
Shewan Fort, General Hari Singh Nalwa: Builder of the Sikh Empire, Autar Singh Sandhu Uppal Publishing House, 1987 - Generals - 140 pages, Pg 124, [3]
"The largest soapstone deposits of the country are located near Sherwan in Hazara, Memoirs of the Geological Survey of Pakistan, Volume 12, The Survey, 1977, Pg119", [5]
"Soap Stone Deposits Of Sherwan In Hazara District", Science and Industry, Volumes 1-2 Pakistan Council of Scientific and Industrial Research., 1963 - Science,[6]
"The most extensive steatite deposits in Pakistan are found in the Sherwan area of the Hazara District, NWFP, Inter-regional Interaction and Urbanism in the Ancient Indus Valley: A ... By Randall William Law (II.)Pg 325, [7]
Pakistan Journal of Scientific Research, Volume 23 Pakistan Association for the Advancement of Science., 1971 - Research,[8]
Pakistan Journal of Science, Volume 43 Pakistan Association for the Advancement of Science., 1991 - Science [9]
