Lincoln makes affidavit of nonresidence in Supreme Court cases of Columbus Machine Manufacturing Co. et al. v. E. R. Ulrich & Co., and Columbus Machine Manufacturing Co. et al. v. P. A. Dorwin & Co.Photocopy.

He writes to Horace White explaining that he is unable to speak in Wisconsin on 28th because he has already agreed to speak in Brooklyn on 27th. He writes "thank you" note to John C. Henshaw of New York, who has sent book (not received) on labor and capital. Abraham Lincoln to Horace White, 13 February 1860, CW, 3:519; Abraham Lincoln to John C. Henshaw, 13 February 1860, CW, 3:518-19.