For reloading the .32 Colt cartridges, CH4D has dies for both the short and the long; I do not know if both can be loaded with one set of dies or not. Tom at Accurate molds has a very good heeled boolit mold 31-090A, that shoots well from my No.2 Remington Rolling Block. I will be ordering one when my tax check gets back. He also has a newer one that I haven't shot yet the 31-090C that looks okay to me.
The hard part is finding actual .32 Long Colt brass, but it can be made from .32 S&W Long with a bit of ingenuity. Modern loading data for the Colt cartridges is also pretty much non-existant.
Robert