1863-1864: AGE 56-57.
Correspondence with Dr. S.G. Howe.--Bearing of the War on the Position of the Negro Race.--Affection for Harvard College. --Interest in her General Progress.--Correspondence with Emerson concerning Harvard.--Glacial Phenomena in Maine.
Louis Agassiz: His Life and Correspondence · The Wunder Library — complete classics, free to read, with narration.