D'Amato, Peter (2011). "The Savage Garden: "The creation and early evolution of CPN"". Carnivorous Plant Newsletter. 40 (2): 56–59. doi:10.55360/cpn402.pd547.
Mellichamp, T. Lawrence (1988). "Reviewed work(s): Carnivorous Plants of the World by James Pietropaolo; Patricia Pietropaolo". Castanea. 53 (1): 85–86. JSTOR4033469.