This cover above was mailed to Walter S. Biscoe at the Columbia College Library on December 31, 1888, 120 years ago. Biscoe was a protégé of Melvil Dewey and made major contributions to Dewey's Decimal Classification system. The cover was mailed eleven days after Dewey resigned as Librarian of Columbia College to accept a position as State Librarian of New York in Albany. The library school established by Dewey at Columbia as well as Biscoe followed him to New York. For more on Walter S. Biscoe click here.