An Act to further amend the act of August 7, 1946 (60 Stat. 896), as amended by the act of October 25, 1951 (65 Stat. 657), to provide for the exchange of lands of the United States as a site for the new Sibley Memorial Hospital, to provide for the transfer of the property of the Hahnemann Hospital of the District of Columbia, formerly the National Homeopathic Association, a corporation organized under the laws of the District of Columbia, to the Lucy Webb Hayes National Training School for Deaconesses and Missionaries, including Sibley Memorial Hospital, a corporation organized under the laws of the District of Columbia, and for other purposes