EITHER
Print letter without signatures on your printer and add both YOUR printed and signed signature
(print PDF or Word file without signatures)
OR
Print letter with signatures on your printer and write yours below the other group signatures with both YOUR printed and signed signature
(print this PDF or Word file with signatures)
AND
With carefully written return address on stamped envelope, send to address:

Robert Healy
City Manager
795 Mass Ave.
Cambridge, MA. 02139