Henry Baldwin, Lessee of Pollard's Heirs v. Kibbe…
“ In addition to this protection, the law of nations, without any treaty, stipulation, or constitutional provision, makes private property inviolable in the cession, relinquishment, conquest, or military occupation of the territory, by some of which means the United States acquired it, and it matters not by which; the laws, usages, and customs of Spain and the province, remained in force as the only rules of title and property, the only test of the validity of grants. ”
