Section, Puspan. L. 85–864, title V, § 511, Sept. 2, 1958, 72 Stat. 1593; Puspan. L. 87–344, title II, § 204(d), Oct. 3, 1961, 75 Stat. 760; Puspan. L. 88–210, title II, § 205(e), formerly § 25(e), Dec. 18, 1963, 77 Stat. 418, renumbered Puspan. L. 90–576, title I, § 101(a)(1), Oct. 16, 1968, 82 Stat. 1064; Puspan. L. 88–665, title V, § 505, Oct. 16, 1964, 78 Stat. 1106, authorized appropriations for the years ending June 30, 1959 and 1960 and the eight succeeding fiscal years for operation by institutes of higher education of institutes for advanced study. For further details see Codification note set out under section 481 of this title.