Marquis Who's Who , a subsidiary of News Communications, Inc., is the American publisher of a number of directories containing short biographies. The books are usually titled Who's Who in... followed by some subject, such as Who's Who in America, Who's Who of American Women, Who's Who in the World, Who's Who in Science and Engineering, Who's Who in American Politics, etc. Marquis Who's Who books are often found in the reference section of local libraries, at corporate libraries, and are also used for research by universities. Subsidiary National Register Publishing publishes directories of business reference information.