[AMERICAN HISTORICAL FIGURES]. BRANDEIS, Louis (1856-1941) and Samuel D. WARREN (1852-1910). Autographed letter signed ("Warren & Brandeis"), to W.L. Putnam, Boston, 7 December 1881. 1 page, 4to, on Warren & Brandeis stationery, some ink offsetting. Writing regarding a bond filed by the recipient. -- BUNCHE, Ralph J. (1904-1971). Autograph letter signed ("Ralph"), to Leonard Lyons, Leopoldville, Congo, 21 August 1960. 1 page, 4to, with holograph envelope, lightly creased, paperclip impression upper margin. Bunche comments on one of Lyons' columns from The New York Times, and says he eagerly awaits his return to New York "to resume living again." -- NATION, Carry A. (1846-1911). Autograph letter signed ("C.N."), in pencil, to Belle Gillham, Okema, Oklahoma, 28 September 1908. 1 page, on verso of printed postcard showing the public school in Okemah, addressed in Nation's hand, postmarked. Nation tells her friend about recent travels and reports that she's headed to Paden, some 20 miles away. -- Together, 3 manuscripts.