Cass Gilbert Cass Gilbert Cass Gilbert (November 24, 1859 – May 17, 1934) was a prominent American architect. An early proponent of skyscrapers in works like the Woolworth Building, Gilbert was also responsible for the Saint Louis Art Museum and Public Library; the Minnesota, Arkansas and West Virginia State Capitols; and the United States Supreme Court building. His public buildings in the Beaux Arts style reflect the optimistic American sense that the nation was heir to Greek democracy, Roman law and Renaissance humanism. Gilbert's achievements were recognized in his lifetime; he served as president of the American Institute of Architects in 1908–09.
Cass District Library Library was completed (today this building is home to the Local History Branch of the library system). The Cass County board of supervisors purchased a building for a new library in December 1959. The handsome, flagstone-fronted structure required extensive repairs before the library could be opened. The library eventually outgrew this building. Construction of a new Cass County Library building, on a property, was completed in 1977. In February 1973 the Cass County Library founded the Mason-Union Branch Library in the Mason District Number 5 Schoolhouse in Edwardsburg, Michigan. The building is listed on both the National Register of Historic