Painter-etchings, Drawings and Other Art Property of the Late Otto H. Bacher of Laurence Park, N. Y., including Many Rare and Unpiblished Plates of His Own Work and Others Inscribed to Him by Frank Duveneck, T. M. Wendel, Robert Blum and the Younger Group of Bacher's Co-workers in Venice; A Number of Fine Plates of S. L. Wenban, and Mr. Bacher's Remarkable Collection of Items Associated with James McNeill Whistler including Some Excessively Rare States of the Venice Plates, the Letters from Whistler which were Suppressed After the First Edition of Mr. Bacher's Book, With Whistler in Venice, Lithographs which were selected by Thomas R. Way, a Pencil Sketch of Venice by Moonlight made in Company with Bacher, Books and Pamphlets ReLating to Whistler, and Other Similar Items