Alsop, Fred J.. Birds of the Smokies. Great Smoky Mountains Association, 2003.

Alsop, Fred J.. Birds of the Great Smoky Mountains: A Checklist for the Birds of Great Smoky Mountains National Park. Rev. ed. Great Smoky Mountains Natural Hisotry Association, 2001.

Alsop, Fred J.. Bird Checklists of the United States, A Checklist for the Birds of Great Smoky Mountains National Park. Vol. 2014. U.S. Geological Survey, 1995.

Alsop, Fred J., and Steve Kemp. Birds of the Smokies. Gatlinburg, Tennessee: Great Smoky Mountains Natural History Association, 1991.

Alsop, Fred J.. "Bonaparte's Gull in Great Smoky Mountains National Park." The Migrant 43, no. 3 (1972): 72-73.

Alsop, Fred J.. "Bird Finding in Tennessee: Great Smoky Mountains National Park, Part I: Birding from the Lowlands to "Canada"." The Migrant 42, no. 3 (1971): 54-56.

Alsop, Fred J.. "Bird Finding in Tennessee:  Great Smoky Mountains National Park, Part II:  The Cades Cove Loop." The Migrant 42, no. 4 (1971): 83-85.

Alsop, Fred J.. "Barn Swallows Nesting in the Great Smoky Mountains National Park." Migrant 40, no. 3 (1969): 66-67.