Whig circular written by Lincoln is mailed to leading Whigs in state about this date. On state central committee with Lincoln are A. G. Henry, R. F. Barrett, E. D. Baker, and J. F. Speed. Circular is intended to rally Whigs for Harrison and to provide for organizing state. Campaign Circular from Whig Committee, [31?] January 1840, CW, 1:201-3.

Lincoln writes and files declaration in Carter v. Bennett & Ransdell. Photocopy.

Springfield's Democratic paper denounces "secret circular of Messrs. Baker, Lincoln, & Co. . . . They prefer darkness to light, because their deeds are evil." Register, 4 February 1840.