Cass Gilbert Minnesota, and the Library of Congress. Cass Gilbert is often confused with Charles Pierrepont Henry Gilbert, another prominent architect of the time. Cass Gilbert designed the famous Woolworth Building skyscraper on Broadway for Frank W. Woolworth, while Woolworth's personal mansion was designed by C. P. H. Gilbert. The Ukrainian Institute building on Manhattan's 5th Avenue is the work of C. P. H. Gilbert, and often incorrectly attributed to Cass Gilbert. Cass Gilbert should also not be confused with his son, architect Cass Gilbert, Jr. Notes Further reading Cass Gilbert Cass Gilbert (November 24, 1859 – May 17, 1934) was a
Cass County Courthouse (Iowa) wood tones and Art Deco ornamentation. The exterior of the adjoining correctional facility is composed of similar colored brick as the courthouse, and it has no windows. The building is located on the courthouse square to the south of the central business district, where the previous courthouse was also located. There are three other elements that are contributing properties on the courthouse's nomination to the National Register of Historic Places. The square itself is a contributing site, what is believed to be the original flagpole is a contributing object, and the two-bay garage is another contributing building Cass County Courthouse