This is a place where we list together all the sites that might interest you, and might be the starting point in your research into palm sugar!
PalmSugar.com: Some detailed information on palm sugar, with specifics on the Crystallised form of palm sugar.
The American Journal of Clinical Nutrition: Effect of a low-glycemic-index diet during pregnancy on obstetric outcomes
chezpim.typepad.com: This is a blog post on the usage of palm sugar from it’s hard block form toward creating food recipes. It is an outline of the amount of trouble/time you would be likely spending on the Hard block form of Palm Sugar.
cambodia.worldvision.org.nz: Explains the process of making Palm Sugar as done in Cambodia (with images).