Map of the Plymouth Colony
Own work based on: Plymouthcolonymap.png by KmusserData sources for the original map:

The Border is Where? Part II
The Survey System of the Old Colony
Timeline of Plymouth Colony
Rootsweb - Plymouth County towns
Rootsweb - Barnstable County
CapeCodHistory.us
Rootsweb - Bristrol County towns
Rootsweb - Rhode Island counties
Rochester (MA) Town History
Barrington, RI history
Little Compton Historical Society
The History of Cumberland
RIEDC - Town of Bristol 
History of Weymouth
Massachusetts City and Town Incorporation and Settlement Dates
Hoodinski