In morning President confers with Capt. Dahlgren at Navy Yard regarding Capt. Diller's gunpowder. Extracts from Dahlgren Diary, John G. Nicolay Papers, Library of Congress, Washington, DC; Endorsement Concerning Isaac R. Diller's Gundpowder, 15 January 1863, CW, 6:59.

Meets with Horace Greeley, editor of the New-York Tribune. Newspaper reports that warrant against Greeley for libel by District of Columbia Marshal Ward H. Lamon is withheld or withdrawn altogether. Daily National Republican (Washington, DC), 16 January 1863, 2d ed., 2:5.