BROWN, John (1800-1859, abolitionist). Autograph letter signed to 'Dear Wife & Children every one', Iowa City, 29 October 1856, informing his family of his whereabouts and activities, returning to Kansas after Watson and Salmon 'and to go home before I engage further in the service, John & Jason parted from me at Chicago to go on home', one page, (152 x 198mm), on blue paper (small tear from seal). -- YOUNG, Brigham (1801-1877, 2nd president of the Mormon Church). Letter signed to Governor A. Cumming, G[reat] S[alt] L[ake] City, 30 August 1860, arranging an appointment for the following day, one page, 4to. -- SEDGWICK, Catherine Maria (1789-1867, author). Autograph letter signed ('C A Sedgwick') to Nathaniel Hawthorne, New York, 4 May [18]55, introducing an Hungarian immigrant couple Mr. and Mrs. Madarasy explaining that they are on their way to Belgium to claim an inheritance, 2¼ pages, 4to. -- BRYANT, William Cullen (1794-1878, poet). Autograph letter signed ('W.C. Bryant') to Nathaniel Hawthorne, New York, 4 March 1856, introducing the American artist Thomas W. Whittey, one page, 4to. (4)