BioStor
Holbrookia maculata maculata GIRARD, 1851
 | Notes on the herpetology of New Mexico, with a list of species known from that state John Van Denburgh (1924) Proceedings of the California Academy of Sciences 13: 189-230 |
 | List of reptiles and batrachians of Morton County, Kansas, reporting species new to the state fauna E H Taylor (1929) University of Kansas Science Bulletin 19: 63-65 |
 | Amphibians and reptiles of the Big Bend Region of Texas K P Schmidt and T F Smith (1944) Field Museum of Natural History Publication. Zoological Series 29: 75-96 |
 | Osteology and myology of the head and neck regions of Callisaurus, Cophosaurus, Holbrookia, and Uma (Reptilia: Iguanidae) D C Cox (1977) Great Basin Naturalist 37: 35-56 |