- Gillman, L. S., and W. F. Bailey. 1977. Forest insect and disease management, annual report: Rocky Mountain Region, 1976. United States Department of Agriculture, Forest Service, Rocky Mountain Region, State and Private Forestry, Lakewood, Colorado. 56 p.
- Gillman, L. S., and W. F. Bailey. 1978. Rocky Mountain Region (R-2). Pages 6-9 in H. D. Brown and P. W. Orr, Forest insect and disease conditions in the United States, 1976. United States Department of Agriculture, Forest Service. vi + 40 p.