Krauskopff, J. (1888). Origin and Descent. A Sunday Lecture before the Reform Congregation Keneseth Israel, November 11th, 1888. Philadelphia.
Chicago-referens (17:e uppl.)Krauskopff, Joseph. Origin and Descent. A Sunday Lecture Before the Reform Congregation Keneseth Israel, November 11th, 1888. Philadelphia, 1888.
MLA-referens (8:e uppl.)Krauskopff, Joseph. Origin and Descent. A Sunday Lecture Before the Reform Congregation Keneseth Israel, November 11th, 1888. Philadelphia, 1888.
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