Olson, Storrs L. and Rasmussen, Pamela C. 2001. "Miocene and Pliocene birds from the Lee Creek Mine, North Carolina." In Geology and paleontology of the Lee Creek mine, North Carolina, III. Ray, Clayton Edward and Bohaska, David J., editors. 233–365. Washington, D.C.: Smithsonian Institution. In Smithsonian Contributions to Paleobiology, 90.