- Appointment as Brigade Surgeon of Volunteers from August 3, 1861. Signed for Abraham Lincoln, President of the U.S. by Thomas Scott, Acting Secretary of War, (August 8, 1861); Appointment as Lieutenant Colonel by Brevet from March 30, 1865 [sic]. Signed for Andrew Johnson, President of the U.S. by Edwin M. Stanten, Secretary of War, Washington (March 10, 1866), 1861; 18661
- Appointment as Colonel by Brevet from March 13, 1865. Signed for Andrew Johnson, President of U.S. by Edwin M. Stanten, Secretary of War, April 5, 18661
- Appointment as surgeon to the 58th Regiment in the 27th Brigade in the 7th Division of the Militia of New York State from March 27, 1850. Signed by Hamilton Fish, Governor of New York; Appointment as surgeon of the Third Regiment, New York Volunteers, signed by Edwin Morgan, Governor of New York, April 18, 1850; July 4th, 18611
- Appraisals of films1
- Apr-June 19501
- April - August 18571
- April - August, 18671
- April - December 18551
- April - December 18601
- April - July 18621
- April - July 18661
- April - June 19141
- April - October 18681
- April 1864 - July 18651
- April 29 - September 30, 18881
- April 9 - May 28, 18641
- Ar-Ay1
- Archer, William Meade, Jr. - Lieutenant, M.R. C. (1878- )1
- Archibald, O. Wellington - Colonel, N.G.N.D. (1851- ) + portrait1
- Ark. Employee Statistical Juggling, 19531