Emory University
Emory University Writing Center: The Salt March to Dandi
Emory University offers an extensive discussion of the Salt tax of the British government, the march itself and the aftermath. Site includes pictures and a few links.
University of California
Uc Davis: Importance of Salt
The UC Davis site not only discusses the history of the salt trade, but also evaluates the importance of salt to society throughout history. It covers the history of salt from ancient times through the medieval and modern periods.