Barbour, 1914: A Contribution to the Zoögeography of the West Indies, with Especial Reference to Amphibians and Reptiles. Memoirs of the Museum of Comparative Zoölogy, vol.44, n. 2, p.205-359 (texte intégral).
Schwartz, 1983: Part l. Sphaerodactylus difficilis, S. clenchi, and S. lazelli, p.5-30in Schwartz & Thomas, 1983: The difficilis complex of Sphaerodactylus (Sauria, Gekkonidae) of Hispaniola. Bulletin of Carnegie Museum of Natural History, vol.22, p.1-60.