References
- Blockson , C. L. 1989 . The underground railroad , New York : Berkley .
- Douglass , F. 1989 . The life and times of Federick Douglass, an American slave , New York : Anchor Books . (reprint of the 1892 revised edition)
- Frank , A. 1952 . Anne Frank: The diary of a young girl , New York : Pocket Books . (New York: Doubleday, 1989. Critical Edition)
- Richter , C. 1959 . The light in the forest , New York : Knopf .