American House Hotel Boston, MA Expansion, 1851 William Washburn, Architect E. Robinson & Co., Manufacturer
Massachusetts State House Boston, MA Alteration, 1853 William Washburn, Architect E. Robinson & Co., Manufacturer Charles Bulfinch, Architect, 1798
(Old) Tremont Temple Boston, MA Restoration, 1853 William Washburn, Architect E. Robinson & Co., Manufacturer