Letter, dated April 28, 1863, from Union Major General John Adams Dix to Confederate General Henry A. Wise requesting he stop the attacks on the Union-held insane asylum in Williamsburg, Virginia. Dix writes that, although the asylum is under the control of the Union, there have been repeated attack by officers of the Confederacy on its employees and residents. Dix also mentions he has directed General Keyes to re-occupy Williamsburg.