"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MML9-S2C : accessed 5 March 2020), Julius C Brock, Precincts 8, 16, 18, 20, 24 Lower Gila, Gold Hill, Black Hawk, Lordsburg, Red Rock, Grant, New Mexico Territory, United States; citing enumeration district (ED) 57, sheet 2A, family 330, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,000.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MGSX-DLW : accessed 5 March 2020), Julius C Brock, Gold Hill, Grant, New Mexico, United States; citing enumeration district (ED) ED 92, sheet 12A, family 246, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 915; FHL microfilm 1,374,928.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M4VT-KLK : accessed 5 March 2020), Julius C Brock, White Signal, Grant, New Mexico, United States; citing ED 56, sheet 2A, line 44, family 33, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1076; FHL microfilm 1,821,076.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XCM3-8XF : accessed 5 March 2020), Julius C Brock, Precinct 25, Grant, New Mexico, United States; citing enumeration district (ED) ED 26, sheet 2A, line 42, family 10, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1395; FHL microfilm 2,341,130.