New Hampshire Division of Historical Resources https://www.nh.gov/nhdhr/ 

New Hampshire Historical Society https://www.nhhistory.org/ 

New Hampshire Preservation Alliance https://www.nhpreservation.org/ 

Amherst Heritage Commission https://www.amherstnh.gov/heritage-commission 

Amherst Historic District Commission https://www.amherstnh.gov/historic-district-commission 

Historical Society of Amherst http://www.hsanh.org/ 

Freedoms Way National Heritage Area https://freedomsway.org/ 

Nashua Regional Planning Commission https://www.nashuarpc.org/ 

Questers, Nipmugs Nashua, NH 03063:  Nipmugs #814 

Questers, Villagers Amherst, NH 03031:  Amherst Villagers #746

Amherst Town Library https://amherstlibrary.org/ 

US Department of the Interior (DOI) https://www.doi.gov/ 

US Department of the Interior, National Park Services https://www.nps.gov/index.htm