Catalogue of autograph letters and historical documents. collected by the late Prof. E.H. Leffingwell, of New Haven, Conn., comprising not only the Series of the Albany, the Annapolis, and Constitutional Conventions, signers of the Confederation and the Declaration of Independence, but also an unusually fine collection of foreign autographs and a large and interesting amount of material relating to early American history. To be sold by auction Tuesday, January 6th, 1891