Flavell, T. H., and H. L. Lambert. Status of the Balsam Woolly Aphid in the Southern Appalachians-1970. Asheville, NC: U.S. Forest Service, 1971.

Clerke, W. H., R. F. Bassett, and H. L. Lambert. Detection and Evaluation of Southern Pine Beetle Infestations on the Great Smoky Mountains National Park. Asheville, NC: U.S. Forest Service, 1968.

Lambert, H. L., and W. M. Ciesla. Status of the Balsam Woolly Aphid in the Southern Appalachians - 1966. Asheville, N.C.: U.S. Forest Service, 1967.

Lambert, H. L., and W. M. Ciesla. Status of the Balsam Woolly Aphid in North Carolina and Tennessee - 1965. Asheville, N.C.: U.S. Forest Service, 1966.

Ciesla, W. M., H. L. Lambert, and R. T. Franklin. Forest Insect and Disease Detection Survey of the Great Smoky Mountains National Park and the Cherokee Indian Reservation North Carolina and Tennessee. Asheville, NC: U. S. Forest Service, 1965.

Ciesla, W. M., H. L. Lambert, and R. T. Franklin. Status of the Balsam Woolly Aphid in North Carolina and Tennessee - 1964. Asheville, N.C.: U.S. Forest Service, 1965.

Ciesla, W. M., H. L. Lambert, and R. T. Franklin. The Status of the Balsam Woolly Aphid in North Carolina and Tennessee. Asheville, NC: U.S. Forest Service, 1963.