The Chaburah - The Shemitah Controversy - Can Eretz Yisrael be Sold?

This Chaburah discusses the status of 'Heter Mechirah' with
historical context, as well as dealing with the problem of 'Dina
di'Malchusa Dina', the sale isn't valid according to secular law.
This also applies to buying land in Eretz Yisrael for the sake of
keeping Shemitah.