- McCowan, V. F. 1961. Bark beetle conditions in timber damaged by hurricane Donna. Florida Forest Service, Tallahassee, Florida. Mimeographed Report. 1 p.
- McCowan, V. F., and J. A. Rudinsky. 1958. Biological studies on the Douglas-fir bark beetle, Millcoma Forest Tree Farm, Coos Bay, Oregon. Weyerhaeuser Forest Research Note 11. 21 p. (revision of 1954).