About 8300 letters in 11 letterpress copybooks from Chicago to New York officials, assistants, and others including many to legislators concerning Southern lines, Iowa roads, contracts, passes, legislation and sundry matters, with telegrams and many copies of statements. Some signed by John Dunn and W.J. Mauriac, and a few after Sept. 1883 by J.C. Clarke. Written by Mr. Ackerman as vice-president to Oct. 1877, as president to Sept. 1883 and after that as vice-president; a few by him as trustee of Chicago, St. Louis & New Orleans RR mortgage.