Washington: Gideon & Co., 1850.
First Edition. Softcover. Very good. 28 pp, in original sewn self-wrappers (not disbound from a larger volume as often found). Light foxing; very good. "Winthrop emphatically advocates the immediate admission of California and exhorts Congress to refrain from the injustice of omnibus tactics which would “embarrass, and perhaps peril her admission" (Eberstadt). Cowan p. 691.