Author
Association for Gravestone Studies
1
Blake, Peter, 1920-2006
1
Eills, Nancy
1
Hayden, Parker
1
Jackson, Kenneth T.
1
Loewen, James W.
1
Lord, Clifford Lee, 1912-
1
Miller, Page Putnam, 1940-
1
National Trust for Historic Preservation in the United States
1
Neff, John R.
1
Pennsylvania Historical and Museum Commission
1
Pennsylvania Valley Forge Commission
1
United States. National Park Service
1
Vergara, Camilo José
1
Yalom, Marilyn
1