Lower Delmarva Genealogical Society
- Information on meetings, membership, books and publications, resources, services and projects of the Lower Delmarva Genealogical Society. The lower Delmarva peninsula covers Accomack and Northampton Counties on the eastern shore of Virginia, the 2 lower
- http://www.rootsweb.com/~ldgs/

Maryland Genealogical Society
- Presents member information, searchable databases, bulletins, queries, member websites, links and related resources.
- http://mdgensoc.org

Jewish Genealogical Society of Maryland (JGSMD)
- Assisting Jewish genealogical research efforts throughout the state and elsewhere. Overview of programs, and an events calendar are featured.
- http://www.jewishgen.org/jgs-maryland/

Frederick S. DeMarr Library of County History
- Research division of the Prince George's County Historical Society open to the public.
- http://pghistory.org/library.html

Historical Society of Cecil County
- For those intriqued by historical research and fascinated by experiencing the past interpreted through artifacts, documents, and images.
- http://cchistory.org/