- Beard, R. L., and P. P. Wallace. 1941. Prothetely in Scolytus multistriatus Marsham (Coleop: Scolytidae) . Entomological News 52:242-244.
- Wallace, P. P., and R. P. Beard. 1942. Larval characteristics of certain elm bark infesting Coleoptera . Canadian Entomologist 74:86-87.
- Wallace, P. P., and R. P. Beard. 1943. The effect of low temperature upon mortality of the larvae of Scolytus multistriatus Marsham . Connecticut Agricultural Experiment Station, Bulletin 472:291-305.