| Sources |
- [S6302] 1930 United States Federal Census, Year: 1930; Census Place: Cambridge, Middlesex, Massachusetts; Page: 6A; Enumeration District: 0058; FHL microfilm: 2340651.
- [S6313] Every Branch, Leaf and Off shoot, Margaret Elizabeth Penman.
- [S6311] Every Branch, Leaf and Off shoot, John Henry Jacobus.
- [S2941] U.S., Newspapers.comâ„¢ Marriage Index, 1800s-current, The Boston Globe; Publication Date: 24/ Feb/ 1926; Publication Place: Boston, Massachusetts, USA; URL: https://www.newspapers.com/image/431159573/?article=9edddee8-9497-45db-bc4c-24fb1efef5d5&focus=0.641415,0.6871767,0.7574471,0.9294933&xid=3398.
|