AE, DNA WR RG 94, U.S. Military Academy, 1864, No. 75. Lincoln's endorsement appears on a letter from Charles Case, Washington, January 23, 1865, recommending William F. Hinkle for reappointment. An endorsement in another hand notes that Hinkle ``failed to pass his entrance examination both in June & Sep. 1864.'' No record of Hinkle's reappointment has been found.