Suspecting that some of letters of recommendation which he secured have been withheld from President, Lincoln writes to Ewing asking him to transmit to him (Lincoln) all papers on file in Department of Interior recommending him for commissioner. He writes endorsement of William Porter of Sangamon County, applicant for Land Office job, and forwards to Interior Department. He gets back from Interior his letter recommending Charles G. Thomas for marshal. Abraham Lincoln to Thomas Ewing, 22 June 1849, CW, 2:55; Endorsement: William Porter to Lincoln, [23] June 1849, CW, 2:55; Receipt to Department of Interior, 22 June 1849, CW, 8:415.