Catholic Cemeteries of the Archdiocese of Washington
- Information on Catholic cemeteries in Washington DC, Maryland, and Virginia. Family resources, events, regulations, liturgies and prayers, and contact information.
- http://www.ccaw.org/

Historic Congressional Cemetery
- Virtual tour of grounds, library and archive information (including photo gallery), volunteer and education program information, event descriptions, and guides for interment, restoration and preservation, and visiting the cemetery.
- http://www.congressionalcemetery.org/