The Library has many other materials that are especially useful for genealogical research.  For example, its vast collection of newspapers spans 3 centuries and includes approximately 9,000 titles.  The Library holds one of the largest collections of maps and cartographic materials in the world, including maps of military battles and campaigns.  The collection also includes many maps of local communities such as land ownership maps and the Sanborn Fire Insurance Company’s maps of 12,000 American cities and towns.