This collection contains correspondence addressed to Job Bicknell Ellis. There are nine letters from Auguste B. Langlois dated 1885-1889. There are also letters from Frederick W. Anderson, Joseph Blake, Mordecai C. Cooke, Francis W. Cragin, William G. Farlow, Asa Gray and three indecipherable signatures, S.J. Harkness, John Macoun, Charles Peck, a postcard from Pier A. Saccardo, and a postcard from William C Stevenson, Jr. The letters from Cooke include a specimen list.