Set of eighteen architectural drawings of house for Mr. and Mrs. John D. Langmuir in Concord, New Hampshire (commission #1412) including four elevations, three plans, one plot plan, one cross section, one rendering, and eight details. Most drawings are signed by Royal Barry Wills, Merton S. Barrows or Warren J. Rhoter; some drawings are dated. Drawings depict a two-story Gambrel Cape Cod-style house with a saltbox garage wing, an asphalt shingle roof, and a clapboard and board-and-batten exterior. House has living room with fireplace, study, dining room, kitchen, two lavatories, covered breezeway, three bedrooms, one bathroom, and an attached two-car garage. A recreation room with fireplace and workshop are on the basement level.