Three hundred and seventy-one letters or papers, chiefly addressed to Charles Kirkpatrick Sharpe, 1793-1846, with some earlier and later: P-Z, etc. The collection is arranged in alphabetical order of writers' names, except as noted below, and the following are some of the chief names: Pitcairn, Robert (thirty-three), 1823-41 (fol. 17). Playfair, William (five), 1809-10 (fol. 82). …