The civil government of Porto Rico. Part 2 : hearings before the Committee on Territories and Insular Affairs, United States Senate, Sixty-eighth Congress, first session on S. 2448, a bill to amend the Organic Act of Porto Rico, approved March 2, 1917 : S. 2571, a bill to extend the provisions of certain laws to Porto Rico : S. 2572, a bill to purchase grounds, erect, and repair buildings for customhouses, offices, and warehouses in Porto Rico : S. 2573, a bill to amend and reenact sections 20, 22, and 50 of the Act of March 2, 1917, entitled "An act to provide a civil government for Porto Rico, and for other purposes", February 16, 25, and March 7, 1924.