^Boulenger GA (1885). Catalogue of the Lizards in the British Museum (Natural History). Second Edition. Volume II. Iguanidæ .... London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiii + 497 pp. + Plates I–XXIV. (Anolis krugi, p. 37).
Further reading
Brandley MC, de Queiroz K (2005). "Phylogeny, ecomorphological evolution, and historical biogeography of the Anolis cristatellus series". Herpetological Monographs18: 90–126.
Peters W (1877). "Über eine von Hrn. Viceconsul L. Krug und Dr. J. Gundlach auf der Insel Puertorico gemachte Sammlung von Säugethieren und Amphibien, so wie über die Entwickelung eines Batrachiers, Hylodes martinicensisDum.Bibr., ohne Metamorphose". Monatsberichte der Königlich Preussischen Akademie der Wissenschaften zu Berlin1876: 703–714. (Anolis krugi, new species, pp. 707–708). (in German).
Schwartz A, Henderson RW (1991). Amphibians and Reptiles of the West Indies: Descriptions, Distributions, and Natural History. Gainesville: University of Florida Press. 720 pp. ISBN978-0813010496. (Anolis krugi, p. 285).
Schwartz A, Thomas R (1975). A Check-list of West Indian Amphibians and Reptiles. Carnegie Museum of Natural History Special Publications No. 1. Pittsburgh, Pennsylvania: Carnegie Museum of Natural History. 216 pp. (Anolis krugi, p. 88).