American, English and French autographs & manuscripts, many of importance ; the balance of the collection formed by the late Helen Fahnestock Hubbard, New York, sold by order of the executors of her estate, collection formed by the late David M. Newbold, Berwyn, Pa. and from other sources : public auction sale Tuesday, May 22 [1956].
New York: Parke-Bernet Galleries - Inc., 1956. Softcover.
