Kingsley, C., & Kingsley, F. E. G. (1877). Charles Kingsley, his letters and memories of his life (Abridged from the London ed.). New York: Scribner, Armstrong.

Kingsley, Charles, and Frances Eliza Grenfell Kingsley. Charles Kingsley, His Letters and Memories of His Life. Abridged from the London ed. New York: Scribner, Armstrong, 1877.

Kingsley, Charles, and Frances Eliza Grenfell Kingsley. Charles Kingsley, His Letters and Memories of His Life. Abridged from the London ed. New York: Scribner, Armstrong, 1877.