American Battle Monuments Commission
- Established by Congress at the request of General John J. Pershing to honor the accomplishments of the American Armed Forces where they have served since World War I. Lists cemeteries, memorials, and war dead in foreign cemeteries; searchable database; ev
- http://www.abmc.gov/

Discussion Forum
- Discussion forum relating to all matters concerning Natural Stone Memorials/Headstones. This site is provided by the National Association of Memorial Masons (NAMM). Visitors can leave messages and view/answer others.
- http://www.namm.org.uk/discussion.htm

National Association of Memorial Masons
- The National Association of Memorial Masons, established in 1907. Representing over 400 member firms throughout the U.K.Our aim is to further the memorial masonry industry and safeguard the interests of the bereaved through the promotion of high standards
- http://www.namm.org.uk/

Monuments - American Institute of Commemorative Art
- AICA members create monuments that tell a Story In Stone. Help you design and create a lasting memorial.
- http://www.monuments-aica.com/

Association for Gravestone Studies
- was founded in 1977 for the purpose of furthering the study and preservation of gravestones. AGS is an international organization with an interest in gravemarkers of all periods.
- http://www.gravestonestudies.org/