" 1989 (2nd edition), Pocket Books: ISBN 0-671-67974-0*Feldman, Mark, "The Mystery Hill Story" 1977, Mystery Hill Press*Gage, Mary, "America's Stonehenge Deciphered" 2006, Powwow River Books: ISBN 0-9717910-4-X*Goudsward, David, "Stonehenge: The Mystery Hill Story" 2003, Branden Books: ISBN 0-8283-2074-8*Goudsward, David, "Ancient Stone Sites of New England" 2006, McFarland Publishing:0-7864-2462-1*Goudsward, David, "H. P. Lovecraft in the Merrimack Valley" 2013, Hippocampus Press: ISBN 978-1-61498-057-5*Lambert, Joanne, "America's Stonehenge" 1996, Sunrise Publications: 0-9652630-0-2== External links ==* America's Stonehenge homepage* "Archaeology professor debunks claims for ancient rock structures as pseudoscientific fallacy", "BU Bridge", 1 February 2002, Boston University* Dec. 11, 2009 N.Y. Times travel article* "Discover Magazine" "Light Elements: Yankee Doodle Druid"
" 1989 (2nd edition), Pocket Books: ISBN 0-671-67974-0* Mark Feldman, "The Mystery Hill Story" 1977, Mystery Hill Press* Mary Gage, "America’s Stonehenge Deciphered" 2006, Powwow River Books: ISBN 0-9717910-4-X* David Goudsward, "America’s Stonehenge" 2003, Branden Books: ISBN 0-8283-2074-8* David Goudsward, "Ancient Stone Sites of New England" 2006, McFarland Publishing:0-7864-2462-1* Joanne Dondero Lambert, "America’s Stonehenge" 1996, Sunrise Publications: 0-9652630-0-2* America’s Stonehenge homepage* «Archaeology professor debunks claims for ancient rock structures as pseudoscientific fallacy», "BU Bridge", 1 February 2002, Boston University* http://www.neara.org/