Number of Record Group descriptions in the National Archives’ Catalog: 569*Number of Collection descriptions in the Catalog: 4,752Number of creating organization authority files in the Catalog: 100,714 Number of person name authority files linked to descriptions: 23,709Number of geographic authority files linked to descriptions: 9,574Number of topical subject files linked to descriptions: 6,960Number of series descriptions: 265,940Number of file descriptions: 19,522,800Number of digital … Continue reading By the Numbers 2019