Detail, wraparound two-level porch from Arroyo Terrace with exposed rafter tails; In 1906, Theodore Irwin and his wife, of Oswego, New York, hired the Greenes to redesign a home they had purchased from Katherine Duncan. The home is in the Japanese tradition with landscape, terraces, and walkways carefully composed to harmonize with the house and one another. On the upper level, the horizontal lines of the house are established with casement windows, balcony railings, rafter tails, and protruding beam-ends. The house has an internal central courtyard that is open to the open mezzanine above. The massive pergola next to the main entry (south side of the west elevation) has columns made of clinker brick with embedded rocks and lighting provide...