Set of eight architectural drawings of house for A. Fred Petersen in Cohasset, Massachusetts (commission #1117) including five elevations and three plans. Most drawings are signed and dated by Royal Barry Wills or Walter H. Pratt. Drawings depict a one-story house with two angled wings, a shingle roof, and a sheathing exterior. House has a living room with fireplace, dining room, kitchen, lavatory, two bedrooms, one bathroom, and an attached two-car garage.