Who wrote this letter?

[Anita]

Roger, thanks for the Stahl link.

Here's a well researched article from the Rochester Library Bulletin
Volume XX · Spring 1965 · Number 3
Seward and Lincoln: The Washington Depot Episode
--GLYNDON VAN DEUSEN

Excerpt

This 6:00 A. M. train on February 23 was on time, and Lincoln was on it. Washburne met it. The question is, was Seward there also? On this point there is conflicting evidence.

Seward wrote to his wife the same day: "The President-elect arrived incog. at six this morning. I met him at the depot; and after breakfast introduced him to the President and Cabinet. . ." Charles Francis Adams, Congressman from Massachusetts and close friend of Seward, wrote in his diary that same day that Lincoln had arrived at six o'clock, and had been met by Seward and Washburne who took him to Willard's Hotel. Nicolay and Hay, in their monumental biography of Lincoln, said the same thing. Lucius E. Chittenden, Register of the Treasury, recorded in his Reminiscences of Lincoln that

The street lights were not yet extinguished on the early morning of the 23d of February, when Elihu B. Washburne and Senator Seward stepped from a carriage at the ladies' entrance of Willard's Hotel. A tall man with a striking face, followed them into the hall, the swinging doors closed, and the future president and preserver of the republic was safely housed in its capital.

But wait, there's much more!!! https://rbscp.lib.rochester.edu/2482