"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MSKM-TWV : accessed 9 December 2017), Chas Howarth, Borough of Manhattan, Election District 19 New York City Ward 21, New York County, New York, United States; citing enumeration district (ED) 536, sheet 2B, family 54, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,105.