People’s Records, Officials Say. Wall Street Journal. 5 June 2015 [5 June 2015]. (原始内容存档于2021-04-13). Risen, Tom. China Suspected in Theft of Federal Employee
[2015-02-12]. (原始内容存档于2015-02-12) (英语). § 1510. Code of Federal Regulations. National Archives and Records Administration. [2015-02-12]. (原始内容存档于2015-02-12)
website(页面存档备份,存于互联网档案馆)(英文) 1940 Census Records (页面存档备份,存于互联网档案馆) from the U.S. National Archives and Records Administration(英文) 1940 Federal Population Census Videos