Yorktown campaign, 1781. One hundred and fiftieth anniversary of siege of Yorktown, report to accompany H. J. Res. 289 [for participation of United States in celebration of 150th anniversary of siege of Yorktown, Va., and surrender of Lord Cornwallis on Oct. 19, 1781, and authorizing appropriation to be used in connection with such celebration, and for other purposes]; submitted by Mr. Hooper.