One Californian's View Of Freemasonry
- Personal website of Bill Wine with information about Freemasonry, links to local lodge and chapters, and biographical information.
- http://www.calmason.com/

Diablo Valley Lodge #448
- Masonic Lodge - Information and officers.
- http://www.calmason.com/lodge448.html

Concord Breakfast Toastmasters
- Schedule, agenda, meeting roles, FAQs and officers.
- http://tm2056.org/

Concord-Diablo Rotary Club
- Directors and membership roster, events and program, Rotary's object, ideal and 4-way test, meetings, newsletter, press releases and directions to meetings.
- http://www.cdrotary.org/