- Bell, J. C., and W. H. Clerke. 1967. Detection survey of bark beetle infestation on the Croatan National Forest, North Carolina. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Report 67-1-17.
- Bell, J. C., W. H. Clerke, and E. T. Wilson. 1968a. Detection and evaluation of bark beetle infestations on the Long Cane and Edgefield Districts, National Forests in South Carolina. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Report 68-1-1.
- Bell, J. C., W. H. Clerke, and E. T. Wilson. 1968b. Detection and evaluation of bark beetle infestations on the Tyger and Enoree Districts, National Forests in South Carolina. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Report 68-1-2.
- Clerke, W. H. 1969. Evaluation survey of southern pine beetle infestations on the Oconee National Forest, Hitchiti Experimental Forest and the Piedmont National Wildlife Refuge, Georgia. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Report 69-1-47.
- Clerke, W. H. 1973. Evaluation of southern pine beetle on the Francis Marion National Forest, South Carolina. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 73-1-15.
- Clerke, W. H., P. J. Barry, and E. T. Wilson. 1973a. Evaluation of southern pine beetle infestations on the Glenwood Ranger District, Jefferson National Forest, Virginia. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 73-1-26.
- Clerke, W. H., P. J. Barry, and E. T. Wilson. 1973b. Evaluation of southern pine beetle infestations on the Pedlar Ranger District, George Washington National Forest, Virginia. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest PestManagement, Report 73-1-27.
- Clerke, W. H., and R. F. Bassett. 1969a. An evaluation of southern pine beetle infestations, Great Smoky Mountains National Park in Tennessee and North Carolina. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Report 69-1-51.
- Clerke, W. H., and R. F. Bassett. 1969b. Detection survey of bark beetle infestations on the Osceola National Forest, Florida. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 69-1-20.
- Clerke, W. H., and R. F. Bassett. 1969c. Detection and evaluation of bark beetle infestations on the Tellico Ranger District, Cherokee National Forest, Tennessee. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 69-1-32.
- Clerke, W. H., R. F. Bassett, and M. Applegate. 1970. Evaluation of southern pine beetle infestations on the Tennessee Valley Authority, Norris Reservation and adjoining lands in Tennesse. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 70-1-5.
- Clerke, W. H., R. F. Bassett, and M. Knighten. 1968. Evaluation of southern pine beetle infestations on the Great Smoky Mountains National Park. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Report 68-1-21.
- Clerke, W. H., R. F. Bassett, and M. Lambert. 1968. Detection and evaluation of southern pine beetle infestations on the Great Smoky Mountains National Park. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Report 68-1-18.
- Clerke, W. H., R. F. Bassett, and E. T. Wilson. 1969. Evaluation of southern pine beetle infestations on the Tyger District, National Forests in South Carolina. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 69-1-7.
- Clerke, W. H., J. C. Bell, and E. T. Wilson. 1968. Appraisal survey of southern pine beetle infestations on the Francis Marion National Forest, South Carolina. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Report 68-1-3.
- Clerke, W. H., and M. Gentry. 1973. Evaluation of southern pine beetle infestations on the Lee Experimental Forest, Virginia. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 73-1-23.
- Clerke, W. H., M. Hanson, and P. J. Barry. 1971. Evaluation of southern pine beetle infestations on the Delmarva Peninsula in Maryland and Virginia. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 71-1-15.
- Clerke, W., H., A. E. Landgraf, and R. F. Bassett. 1968a. Evaluation of southern pine beetle infestations on the Long Cane District, National Forests in South Carolina. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Report 68-1-24.
- Clerke, W., H., A. E. Landgraf, and R. F. Bassett. 1968b. Evaluation of southern pine beetle infestations on the Tusquitee Ranger District, Nanthala National Forest, North Carolina. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Report 68-1-25.
- Clerke, W., H., A. E. Landgraf, and R. F. Bassett. 1968c. Evaluation of southern pine beetle infestations on the Tyger and Enoree Districts, National Forests in South Carolina. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Report 68-1-23.
- Clerke, W. H., A. E. Landgraf, and W. E. McDowell. 1969. Evaluation of southern pine beetle infestations in the Great Smoky Mountains National Park, Tennessee. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 69-1-12.
- Clerke, W. H., and R. O. Mahan. 1978. The application of digital terrain model and space resection techniques to digitizing the position of southern pine beetle infestations delineated on large scale aerial photographs. Pages 161-179 in Symposium on remote sensing for vegetation damage assesment, Proceedings (Seattle, Washington, February 1978). American Society of Photogrammetry. Falls Church, Virginia.
- Clerke, W. H., and P. T. Marshall. 1972. Evaluation of southern pine beetle infestations on the Uncle Remus Ranger District, Oconee National Forest, Hitchiti Experimental Forest, and Piedmont National Wildlife Refuge, Georgia. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Report 73-1-2.
- Clerke, W. H., and W. E. McDowell. 1969. Detection and evaluation of pine bark beetle infestations on the Oak Ridge Atomic Energy Commission Reservation, Tennessee. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 69-1-9.
- Clerke, W. H., and W. E. McDowell. 1970. Forest insect and disease detection survey, Ocmulgee National Monument, Georgia. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 70-1-34.
- Clerke, W. H., and W. E. McDowell. 1972a. Evaluation of southern pine beetle infestations on the Andrew Pickens District, Francis Marion and Sumter National Forests, South Carolina. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 72-1-13.
- Clerke, W. H., and W. E. McDowell. 1972b. Evaluation of southern pine beetle infestations on the Chattooga and Tallulah Ranger Districts of the Chattahoochee National Forest in Georgia. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Report 73-1-11.
- Clerke, W. H., and W. E. McDowell. 1972c. Evaluation of southern pine beetle infestations on the Cherokee Indian Reservation, North Carolina. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 72-1-16.
- Clerke, W. H., and W. E. McDowell. 1972d. Evaluation of southern pine beetle infestations on the Tellico Ranger District, Cherokee National Forest, Tennessee. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 72-1-11.
- Clerke, W. H., and W. E. McDowell. 1973a. Evaluation of southern pine beetle infestations on the Brasstown Ranger District of the Chattahoochee National Forest in Georgia. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 73-1-29.
- Clerke, W. H., and W. E. McDowell. 1973b. Evaluation of southern pine beetle infestations on the Hiwassee Ranger District of the Cherokee National Forest, Tennessee. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 73-1-31.
- Clerke, W. H., T. Price, and E. T. Wilson. 1972. Evaluation of southern pine beetle infestations in Georgia, 1972. Georgia Forest Commission and United States Department of Agriculture, Forest Service, Southeastern Area, State and Private Forestry, Forest Pest Management Group, Report 73-1-17. 21 p.
- Clerke, W. H., and K. F. Raffa. 1974a. Evaluation of a southern pine beetle outbreak area comprising portions of the Glenwood Ranger District, Jefferson National Forest; the Pedlar Ranger District, George Washington National Forest; and the James River District, Blue Ridge Parkway, Virginia. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 74-1-4.
- Clerke, W. H., and K. F. Raffa. 1974b. Evaluation of southern pine beetle infestations on the Uwharrie National Forest, North Carolina. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 74-1-5.
- Clerke, W. H., and J. D. Ward. 1972a. An evaluation of southern pine beetle infestations on the Tellico Ranger District, Cherokee National Forest, Tennessee. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 72-1-2.
- Clerke, W. H., and J. D. Ward. 1972b. Biological evaluation of black turpentine beetle infestations on the Boone Fork Recreation " Area, Grandfather District, National Forests in North Carolina. United States Department of Agriculture, Forest Serviee, Southern Region, State and Private Forestry, Forest Pest Management, Report 72-1-6.
- Clerke, W. H., and J. D. Ward. 1979. Estimating tree mortality over extensive areas. Pages 75-85 in J. E. Coster and J. L. Searcy (eds.), Evaluating control tactics for the southern pine beetle. United States Department of Agriculture, Forest Service, Technical Bulletin 1613. 118 p.
- Clerke, W. H., and E. T. Wilson. 1969. Bark beetle detection survey of the Kennesaw Mountain National Battlefield Park, Georgia. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Report 69-1-37.
- Clerke, W. H., and E. T. Wilson. 1970. An evaluation of southern pine beetle infestations, Cheoah District, Nanthala National Forest, North Carolina. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 70-1-50.
- Clerke, W. H., and E. T. Wilson. 1973. Evaluation of southern pine beetle infestations on the Lee Experimental Forest, Virginia. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 73-1-42.
- Clerke, W. H., and E. T. Wilson. 1974. Evaluation of southern pine beetle infestations on the Lee Experimental Forest, Virginia. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 74-1-12.
- Flavell, T. H., P. J. Barry, J. D. Ward, and M. M. Clerke. 1970. An evaluation of the effects of subzero temperatures on an epidemic southern pine beetle population in the Nanthahala and Cherokee National Forests and the Great Smoky Mountains National Park, Tennessee and North Carolina. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 70-1-146. 13 p.
- McDowell, W. E., and W. H. Clerke. 1973. Evaluation of southern pine beetle infestations on the Enoree Division, Sumter National Forest, South Carolina. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 73-1-40.
- Schreuder, H. T., W. H. Clerke, P. J. Barry, and D. M. Holland. 1980. Two-stage stratified sampling with regression to assess southern pine beetle damage. United States Department of Agriculture, Forest Service, Southern Forest Experiment Station, Research Paper SE-212. 6 p.
- Ward, J. G. D., P. J. Barry, W. H. Clerke, W. E. McDowell, and E. T. Wilson. 1974. Evaluation of southern pine beetle outbreaks on the Pisgah and Nantahala National Forests in North Carolina. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 74-1-11A.
- Ward, J. G. D., and W. H. Clerke. 1970. Evaluation of bark beetle infestations on the Hiwassee and Ocoee Ranger Districts of the Cherokee National Forest, Tennessee. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 70-1-42.
- Ward, J. G. D., and W. H. Clerke. 1971. Evaluation of southern pine beetle infestations on the Tellico Ranger District, Cherokee National Forest, Tennessee. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 71-1-11.
- Ward, J. G. D., and W. H. Clerke. 1972a. An evaluation of southern pine beetle infestations on the Tusquitee Ranger District, Nantahala National Forest, North Carolina. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 72-1-1.
- Ward, J. G. D., and W. H. Clerke. 1972b. Evaluation of forest insect and disease conditions at Mammoth Cave National Park, Kentucky. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 72-1-3.
- Wilson, E. T., W. H. Clerke, and J. G. D. Ward. 1974. Evaluation of southern pine beetle infestations on the Tyger, Enoree, Long Cane, and Andrew Pickens Ranger Districts, Sumter National Forest, South Carolina. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 74-1-6.