Amusement/Recreation Marketing Services, Inc.. Memorandum: 1990 Visitation to the Great Smoky Mountains National Park: A Later Look., 1975.

Amusement/Recreation Marketing Services, Inc.. Memorandum: Implications of the Seven Peaks Development for the Great Smoky Mountains National Park., 1975.

Amusement/Recreation Marketing Services, Inc.. Memorandum: Visitor Sampling Survey, Minor Entrances, Campgrounds, and Picnic Grounds at Great Smoky Mountains National Park., 1975.

Amusement/Recreation Marketing Services, Inc.. Visitor Sampling Survey, Great Smoky Mountains National Park., 1974.