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The Mexican salt industry 1560-1980 : a study in change
Ewald, Ursula, (1985)
Salt and the Colombian state : local society and regional monopoly in Boyacá, 1821 - 1900
Rosenthal, Joshua M., (2012)
The modernization of the Chinese salt administration, 1900 - 1920
Adshead, Samuel Adrian M., (1970)
The salt industry in India : Salt Commissioner, Govt. of India, Ministry of Production
Aggarwal, Shugan Chand, (1937)