Letter from Henry Davis Sleeper to Halfdan M. Hanson, March 4, 1921 First floor plan of the James F. Bigelow House, Rockland, Mass., 1857 Set of architectural drawings of the William Wilkins Warren House, Arlington, Mass. Lambrequin Exterior view of the Governor John Wentworth House, 346 Pleasant Street, Portsmouth, New Hampshire, 1915 Portrait of William Miltimore McArthur (1832-1917) Velvet and Fur Ensemble Label for Pure Vermont Boiled Cider, Brattleboro Jelly Co., Brattleboro, Vermont, undated Portrait of Arthur McArthur, Esq. (1790-1874) Overmantel-Landscape Set of landscape plans, William Wilkins Warren House, Arlington, Mass. Page of account book, February 1824 Dog Collar Walter Gropius playing ping pong, Gropius House, Lincoln, Mass., undated Two girls on sled