↑ 1.01.11.2United States. 1880 U.S. Census Population Schedule. (National Archives Microfilm Publication T9) Year: 1880; Census Place: Pittsfield, Warren, Pennsylvania; Roll: 1200; Family History Film: 1255200; Page: 187C; Enumeration District: 272.
↑ 2.02.12.2United States. 1900 U.S. Census Population Schedule. (National Archives Microfilm Publication T623) Year: 1900; Census Place: Warren, Warren, Pennsylvania; Roll: 1492; Page: 25B; Enumeration District: 0155; FHL microfilm: 1241492.