Edmund G. Ross,
History of the Impeachment of Andrew Johnson…
“ Sir:—By virtue of the power and authority vested in me as President by the Constitution and laws of the United States you are hereby removed from office as Secretary for the Department of War, and your functions as such will terminate upon the receipt of this communication. You will transfer to Brevet Major General Lorenzo Thomas, Adjutant General of the army, who has this day been authorized and empowered to act as Secretary of War ad interim. all records, books, papers, and other public property now in your custody and charge. ”
