The property includes an old home that will be donated to the Thoreau Society for its archives.
He has served as President of the Ralph Waldo Emerson Society and the Thoreau Society.
John H. Mitchell, a member of the Thoreau Society, said both sides of the debate had a case.
He was a founding member and president of the Thoreau Society.
His memory is honored by the international Thoreau Society.
He was the founding secretary and former president of the Thoreau Society, the oldest international organization devoted to the study of an American author and the largest, with 1,300 members.
He became president of the Thoreau Society in 1958, the same year that Autumn Across America was presented to the White House Library.
And he was president of the Thoreau Society of Concord, Mass., in 1958-59.
Harding helped to found the Thoreau Society, serving as the society's first secretary.
He was a former president of the international Thoreau Society and of the Rumford Historical Society in Woburn, Mass.
