Plowman and Tweedy Family
- Descendants of the Rev William Plowman of Dorset. c.1647 to 2000 and The Pedigree of the Essex Branch of the House of Tweedy of Drummelzier. 1430 to 2000
- http://homepage.ntlworld.com/stephen.plowman1/

Somerset and Dorset Family History Society
- Provides assistance to those researching their families in the two counties, no matter where they live. Details of contacts, services, how to join, groups and their events/activities, publications and research guide.
- http://www.sdfhs.org/