Yet his interest in the Library did not cease, for we find him apparently still in charge (in March, 1828) of the sale of duplicates as begun during his term, and he gave Benjamin Peirce able assistance in the preparation of the catalogue of 1830.

Writing but little himself, it was in such ways as this, giving unstintingly his own time and labor and accurate scholarship to the correction and revision of the work of others, that Charles Folsom exercised a decided influence in the world of letters.

And so on the books which passed through his hands at the Press, it is said that his "passion for exact and minute accuracy," often led him to spend more time than had the authors themselves.

Indeed, the pains he took in the verification of even the slightest details consumed so much time that he was finally obliged to resign his position, the press could not wait for him.

He was frequently asked to write inscriptions, a species of composition for which he had great talent ; those on the monuments to Presidents Dunster, Willard, and Webber in the Cambridge burying ground are from his pen.

But at the end of four years he was elected Librarian of the Boston Athenaeum, then just entering its new building and widely extending its influence.

This article incorporates text from this source, which is in the public domain: Potter, Alfred Claghorn; Bolton, Charles Knowles (1897).