1George Mercer to Robert Johnston, 26 December 1755 (Washington Papers)
It is Colonel Washingtons Orders, that you examine into the case of William Mitcalfe, and report if you think he is subject to Fits: Mr Roy will assist you. It is the opinion of Messieurs Johnston and Roy, that he is not addicted to Fits; and fit enough for Duty. LB , DLC:GW . Mr. Johnston was probably the Robert Johnston (d. 1763) who appeared before the Frederick County court on 6 Jan. 1756...