To Captain Dahlgreen

Executive, Mansion, May 23, 1861

CAPT. DAHLGREEN.

MY DEAR SIR:—Allow me to introduce Col. J. A. McLernand, M.C. of my own district in Illinois. If he should desire to visit Fortress Monroe, please introduce him to the captain of one of the vessels in our service, and pass him down and back.

Yours very truly,
A. LINCOLN.