^Layton, Edwin (May 1961). "The Better America Federation: A Case Study of Superpatriotism". Pacific Historical Review. 30 (2): 137–147. doi:10.2307/3636698. JSTOR3636698.
^Ericson, Edward L. The Humanist Way: An Introduction to Ethical Humanist Religion. The Continuum Publishing Company, 1988, p. 75.