Berliner 2000, pp. 22–23 Berliner, Michael S. (2000). "Ayn Rand in Review"(PDF). Archives Annual: The Newsletter of the Ayn Rand Archives. Vol. 3. pp. 5–27. Archived from the original(PDF) on November 5, 2013.
Berliner 2000, pp. 22–23 Berliner, Michael S. (2000). "Ayn Rand in Review"(PDF). Archives Annual: The Newsletter of the Ayn Rand Archives. Vol. 3. pp. 5–27. Archived from the original(PDF) on November 5, 2013.
Perinn 1990, pp. 33–36 Perinn, Vincent L. (1990). Ayn Rand: First Descriptive Bibliography. Rockville, Maryland: Quill & Brush. ISBN0-9610494-8-0. OCLC23216055.