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MacDonald, R. D., and A. R. Coggins. "Notes on Azaleas Growing on Gregory Bald." The University of Tennessee Arboretum Society Bulletin 3, no. 1 (1967): 9-13.

Edney, Lionel. "Going to the Great Smokies?" Appalachian Trailway News 15, no. 1 (1954): 6-7.

Jennison, Harry Milliken. "Azalea of the Great Smokies." The Regional Review 1, no. 2 (1938): 18-21.

Thompson Brothers Commercial Photographers. Azaleas on Gregory Bald. The University of Tennessee Libraries Digital Collections: Thompson Brothers Digital Photograph Collection, 1920.