History of the Town of Groton, including Pepperell and Shirley, from the first grant of Groton Plantation in 1655. With appendices, containing family registers, town and state officers, populations, and other statistics
1848|BUTLER, Caleb.
Middlesex County.
1871|Gray, Ormando Willis; Walling, H. F.1:158 400
Worcester County.
1871|Gray, Ormando Willis; Walling, H. F.1:158 400
Route of the Western railroad. East of Connecticut River
1837|Western Rail Road Corporation1:120 000
Topographical Map of Massachesetts Compiled From Astronomical Trigonometrical and Various Local Surveys