- Clements, R. W. 1974. Modern gum naval stores methods. United States Department of Agriculture, Forest Service, Southeastern Forest Experiment Station, General Technical Report SE-7. 29 p.
- Clements, R. W., and H. G. Williams. 1981. Attractants, techniques, and devices for trapping bark beetles. United States Department of Agriculture, Forest Service, Southeastern Forest Experiment Station, Research Note SE-309. 3 p.
- Clements, R. H. 1965. Wood-boring insects of importance to the PCO [pest control officer] . Pest Control 3342-46, 56-64.
- Clements, V. A. 1953. Possible means of reducing mountain pine beetle attacks in young sugar pine. United States Department of Agriculture, Forest Service, Forest Research Notes 89. 5 p.