In compliance with request from Benjamin Kellogg, Lincoln visits Patent Office. He leaves Kellogg's letter with request for information desired. It is returned to him in evening with pencilled notations. Lincoln writes secretary of war nominating Hezekiah H. Garber of Petersburg to West Point.Abraham Lincoln to Benjamin Kellogg, Jr., 21 April 1848, CW, 1:466-67; Abraham Lincoln to William L. Marcy, 20 April 1848, CW, 1:466.