Staircase, Lyman Estate, Waltham, Mass., as seen from landing and facing stair windows. Hallway, Lyman Estate, Waltham, Mass. Hallway, Lyman Estate, Waltham, Mass. Oblique exterior view of Langdon House, Portsmouth, N.H. Detail of plot plan or atlas page showing Langdon House footprint, Portsmouth, N.H. First floor plan showing alterations for Woodbury Langdon, Langdon House, Portsmouth, N.H. Second floor plan showing alterations for Woodbury Langdon, Langdon House, Portsmouth, N.H Elevation and floor plan for Langdon House, Portsmouth, N.H. Exterior view, Langdon House, Portsmouth, N.H. Front entrance with door closed, Langdon House, Portsmouth, N.H. Exterior view, Langdon House, Portsmouth, N.H., showing fenced-in front yard Exterior view, Landgdon House, as seen from closed front gate Portrait of John Langdon Exterior view of the Langdon House, Portsmouth, N.H., as seen from the street Entrance hall and stair, Langdon House, Portsmouth, N.H. Entrance hall and stair, Langdon House, Portsmouth, N.H. South parlor, Langdon House, Portsmouth, N.H. Parlor, Langdon House, Portsmouth, N.H. Parlor, Langdon House, Portsmouth, N.H. Photograph of a lithograph depicting fireplace carving, Langdon House, Portsmouth, N.H. Room with piano, Langdon House, Portsmouth, N.H. Fireplace, Langdon House, Portsmouth, N.H. Fireplace, South Parlor, Langdon House, Portsmouth, N.H. Parlor, Langdon House, Portsmouth, N.H. Exterior view of Langdon House, Portsmouth, N.H., showing outbuilding (garage? stable?) and people walking on the sidewalk. Informal group portrait of [left to right:] Fred P. Parson, Susie Simmonds (Page), Bimmy Simmonds, and unidentified with arms slung over fence. Stephen Perkins Parson holding bottles. Exterior view of the Lyman Estate "at early stage," Waltham, Mass. Three people are standing on the front steps. Architectural drawing for sections of hall, Lyman Estate, Waltham, Mass. Exterior view of Lyman Estate, Waltham, Mass. Interior view of Langdon House, Portsmouth, N.H. Exterior view of the front of Lyman Estate, Waltham, Mass., from across grounds and pond. Exterior view of Lyman Estate, Waltham, Mass., before 1886 renovation. Interior view of Lyman Estate ballroom, Waltham, Mass. Interior view of Lyman Estate parlor, Waltham, Mass. Iron Light House on Minot's Ledge, Massachusetts Bay from a drawing for which a premium was awarded at the late Mechanics Fair, Boston, Mass. Fisherman's Houses, Cape Cod Broadside for brick dwelling houses in Fruit and Shawmut Streets New England Black Slate Company stock certificate Harvard University medical school diploma, 1867 Massachusetts Charitable Mechanic Association award for "Worsted Picture", 1865 Grand Panoramic view of Tremont Street, Boston, East and West Sides, from Court Street to the Common New England Historic Genealogical Society certificate Francis Scott Key Memorial Association certificate Boston, Mass., West Newton St., Church of the Unity Twentieth Century Boston Wiggin Terminals, Inc., Boston, Mass., "Sail from Boston, Ship from Boston" William Miller Pottery forms available from the A.E. Smith's Sons Pottery Co. Blank marriage certificates, undated