MySource:Jbernard/Occ.: 1923 Cambridge, MA City Directory, (ref.: ancestry.com).

MySource Occ.: 1923 Cambridge, MA City Directory, (ref.: ancestry.com).
Abreviation Occ.: 1923 Cambridge, MA City Directory, (ref.: ancestry.com).
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Citation
Occ.: 1923 Cambridge, MA City Directory, (ref.: ancestry.com)..

Occ.: 1923 Cambridge, MA City Directory, (ref.: ancestry.com).