"United States Census, 1880," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MHXR-142 : accessed 11 December 2014), Derk Arnaud, Boston, Suffolk, Massachusetts, United States, 742; citing sheet 49D, film number 0559, NARA microfilm publication T9, National Archives and Records Administration, Washington D.C.; FHL microfilm 1,254,559.