Sections 79 to 82 related to alien ownership of real estate in the District of Columbia. Sections 79 to 81 were from act Mar. 3, 1887, ch. 340, §§ 1, 2, 4, respectively, 24 Stat. 476, 477, as specifically excepted from amendment by act Mar. 2, 1897, ch. 363, 29 Stat. 618 (for said act Mar. 3, 1887, as amended by the 1897 act, see sections 1501 to 1507 of Title 48, Territories and Insular Possessions); and section 82 was from act Mar. 9, 1888, ch. 30, 25 Stat. 45.