"United States Census, 1900," index and images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MS15-QRV : accessed 23 May 2015), Agnes P. Lindsay in household of Samul S. Lindsay, Precinct 3 Pittsburgh city Ward 20, Allegheny, Pennsylvania, United States; citing sheet 4A, family 55, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,241,361.