Sites related to Evergreen Cemetery:

Friends of Evergreen Facebook page
https://www.facebook.com/friendsofevergreen/

Evergreen Cemetery’s page on findagrave.com
https://www.findagrave.com/cemetery/89863/evergreen-cemetery

Other historic cemeteries in Portland:

Eastern Cemetery (1668) - Spirits Alive friends group
https://www.spiritsalive.org/

Western Cemetery (1829) - Wikipedia article
https://en.wikipedia.org/wiki/Western_Cemetery_(Portland,_Maine)

Information on Portland’s historic cemeteries from the City of Portland
https://www.portlandmaine.gov/1168/Historic-Cemeteries

Regional historic cemeteries:

Maine Old Cemetery Association
https://www.moca-me.org/

Mount Hope Cemetery, Bangor, Maine
https://mthopebgr.com/

Mount Auburn Cemetery, Cambridge, Massachusetts
https://www.mountauburn.org/?cache

Other organizations with related missions:

City of Portland Historic Preservation Division
https://www.portlandmaine.gov/490/Historic-Preservation

Portland Trails
https://www.trails.org/

Maine Audubon Society
https://maineaudubon.org/

Greater Portland Landmarks
https://www.portlandlandmarks.org/

Maine Historical Society
https://www.mainehistory.org/

Maine Bureau of Parks and Lands
https://www.maine.gov/dacf/parks/

Deering Center Neighborhood Association
https://deeringcenter.me/

Historic Cemetery Resources:

Rural Garden Cemetery movement (article on Wikipedia)
https://en.wikipedia.org/wiki/Rural_cemetery

Association for Gravestone Studies
https://www.gravestonestudies.org/