ROOSEVELT, THEODORE, President. Typed letter signed in full as President to Roscoe H. Channing, Washington, D.C., 5 January 1907, one page, 4to, on White House stationery, integral blank, signature a bit pale, one word added in text by Roosevelt, "It is always a matter of particular pride to me when one of the men of the regiment who made a markedly good record there makes a markedly good record in outside life. This has been preeminently the case with two or three men such as Jack Greenway and yourself. I congratulate you with all my heart...."; Typed letter signed in full as Presdent to Leslie Combs, U.S. Minister to Peru, Washington, D.C., 4 February 1907, one page, 4to, integral blank, on White House stationery, with original envelope, introducing "an old personal friend of mine, Mr. Roscoe H. Channing, Jr. He was in my regiment and is a Princeton man of '90. I can vouch for him in every way. I would like for you to secure for him an interview with the President of Peru, introducing him as a personal friend of mine...."; Typed letter signed in full to Captain Rock Channing, Camp Jackson, S.C.; New York, one page, large 4to, on printed stationery of the Metropolitan magazine, he is pleased that Channing is "now on General Snow's staff. I hear of him in the highest terms. I am glad that Rob Bacon is with you. Mrs. Roosevelt would send you her love if she knew I was writing. I shall use that editorial..." and wondering why, when he joined the army himself, years before, he didn't think to change his name to "Rat-a-tat-tat" Roosevelt. (3)