- Baker, W., and T. Veblen. 1990. Spruce beetle and fires in the nineteenth-century subalpine forests of western Colorado . Arctic and Alpine Research 22:65-80.
- Hadley, K., and T. Veblen. 1993. Stand response to western spruce budworm and Douglas-fir bark beetle outbreaks, Colorado Front Range . Canadian Journal of Forest Research 23:479-491.
- Veblen, T., K. Hadley, M. Reid, and A. Rebertus. 1991a. Methods of detecting past spruce beetle outbreaks in Rocky Mountain subalpine forests . Canadian Journal of Forest Research 21:242-254.
- Veblen, T., K. Hadley, M. Reid, and A. Rebertus. 1991b. The response of subalpine forests to spruce beetle outbreak in Colorado . Ecology 72:213-231.
- Veblen, T., K. Hadley, E. Nel, T. Kitzberger, M. Reid, and R. Villalba. 1994. Disturbance regime and disturbance interactions in a Rocky Mountain subalpine forest . Journal of Ecology 82:125-135.