Claude and Starck designed approximately 40 libraries, including the "seven sisters" characterized by the Prairie School style. * Aitkin, Minnesota:Carnegie Library * Antigo, Wisconsin: Junior High School * Argyle, Wisconsin: Argyle High and Grade School (1920) * Baraboo, Wisconsin: Baraboo Public Library (1903) * Barron, Wisconsin: public library (1913; one of the "seven sisters") * Bloomington, Wisconsin: High and Grade School (1923) * Delavan, Wisconsin: Aram Public Library on Fourth Street (1907) * Detroit Lakes, Minnesota: Carnegie Library (1913; listed since 1976 in the National Register of Historic Places) * Evansville, Wisconsin: public library (1908; perhaps the first of the "seven sisters") * Fennimore, Wisconsin: Dwight T. Parker Public Library (1923 NRHP-lis