^ abcCambridge City Council (1890), The Revised Ordinances of 1889 of the City of Cambridge, as Approved December 31, 1889: With the City Charter and Amendments, a Municipal Register, the Rules and Orders of the City Council and of Each of the Two Branches, Together with an Index, Boston, Massachusetts: Cambridge City Council, p. 158
^ abCambridge City Council (1890), The Revised Ordinances of 1889 of the City of Cambridge, as Approved December 31, 1889: With the City Charter and Amendments, a Municipal Register, the Rules and Orders of the City Council and of Each of the Two Branches, Together with an Index, Boston, Massachusetts: Cambridge City Council, p. 159