- Laut, J. G., M. E. Schomaker, T. M. Stieger, and J. Metzler. 1979. Dutch elm disease: a bibliography (revised). Colorado State Forest Service, Colorado State University, Fort Collins. 168 p. (unpaginated).
- Laut, J. G., and T. M. Stieger. 1980. Dutch elm disease: a bibliography, addendum 1979. Colorado State Forest Service, Colorado State University, Fort Collins. 26 p. (unpaginated).
- Laut, J. G., and T. M. Stieger. 1981. Dutch elm disease: a bibliography, addendum 1980. Colorado State Forest Service, Colorado State University, Fort Collins. 30 p. (unpaginated).