- Balfour, R. M., and R. C. Kirkland. 1963. The effect of creosote on populations of Trypodendron lineatum breeding in stumps. Pages 163-166. Great Britain Forestry Commission, Report on Forest Research 1962, 1963. 194 p.
- Crooke, M., and R. C. Kirkland. 1956. The gale of 1953: an appraisal of its influence on forest pest populations in pine areas . Scottish Forestry Journal 10:135-145.
- Crooke, M., and R. C. Kirkland. 1960. Resurvey of distribution of the bark beetle Ips cembrae. Pages 167-168. Great Britain Forestry Commission, Report on Forest Research 1958-1959.