Columbia subject headings:
Agassiz, Louis, 1807-1873.
Congregational churches--Doctrines--History--19th century.
Creationism--History of doctrines--19th century.
Evolution--Religious aspects--Christianity--History of doctrines--19th century.
Gray, Asa, 1810-1888.
Reformed Church--Doctrines--History--19th century.
Harvard subject headings:
Agassiz, Louis, 1807-1873.
Congregational churches--Doctrines--History--19th century.
Creationism--History of doctrines--19th century.
Evolution--Religious aspects--Christianity--History of doctrines--19th century.
Gray, Asa, 1810-1888.
Reformed Church--Doctrines--History--19th century.
Princeton subject headings:
Agassiz, Louis, 1807-1873.
Congregational churches--Doctrines--History--19th century.
Creationism--History of doctrines--19th century.
Evolution--Religious aspects--Christianity--History of doctrines--19th century.
Gray, Asa, 1810-1888.
Reformed Church--Doctrines--History--19th century.