A very nicely illustrated exposition of the unique set of 70 baked clay sealings found in Lothal, Gujarat by an archaeologist who has long been investigating what they tell us about ancient Indus trade and administrative practices.
Dr. Asko Parpola takes an in-depth look at the recent claims of other researchers like Bryan K. Wells and Andreas Fuls that the Indus script has upward of 700 different signs.