Special order, no. 4. : Nurses, attendants and convalescents from the hospitals are forbidden to visit Gettysburg, except with a pass bearing the date of the day of such visit and signed by the chief medical officer. All persons found in Gettysburg in violation of this order, shall be arrested by the provost guard and confined in the jail at Gettysburg; nurses and attendants till they can be sent to their regiments, and convalescents till further orders from these headquarters. A picket of the provost guard will be established upon each road leading into the Borough of Gettysburg, who shall examine the passes of such persons above described as may be seeking to visit the town and arrest all such persons not provided with passes in accordance with this order. The provost marshal will see to the enforcement of this order and increase his guard sufficiently for that purpose. / By command of Brig. Gen. Ferry. H. Larned Johnson, Lieut. A.D.C., & A.A.A.G.