"Massachusetts, Marriages, 1841-1915," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/N472-RB7 : accessed 16 Nov 2014), Dowe De Jong and Grietje Von Der Richt, 03 May 1893; citing v435 p458 n23, Northbridge, Massachusetts, State Archives, Boston; FHL microfilm 1651238.