To John P. Usher 
Hold on till Senators return. A L.
March 16. 1865
 AES, DNA NR RG 48, Applications, Indian Agencies, Miscellaneous, 1857-1869, Box 1269. Lincoln's endorsement appears on a letter from Representative Ignatius Donnelly of Minnesota, March 16, 1865, asking that no Minnesota appointments be made until the senators from his state should return from Charleston, South Carolina.