On Thursday, October 22nd, 1846
Lincoln writes to Speed suggesting they renew their correspondence. "Being elected to Congress . . . has not pleased me as much as I expected." He announces birth of Edward Baker Lincoln and describes Robert's characteristics. He also writes to William Brown. Abraham Lincoln to Joshua F. Speed, 22 October 1846, CW, 1:389-91; Abraham Lincoln to William Brown, 22 October 1846, CW, 1:389.

Related sources from The Collected Works of Abraham Lincoln

To Joshua F. Speed

To William Brown

Lincoln Timemap for 1846