Doane, R.W., Van Dyke, E.C., Chamberlin, W.J., & Burke, H.E. 1936 . Forest Insects: A Textbook for the Use of Students in Forest Schools, Colleges, and Universities, and for Forest Workers. McGraw-Hill New York 463 pp.
Notes: Scale species mentioned include Kermes galliformis, K. quercus, K. nigropunctatus, K. cockerelli, K. arizonensis, K. ceriferus, K. gillettei, K. boguei, K. concinnulus, K. audrei, K. pubescens, K. trinotatus, K. kingii, K. nivalis, K. perryi, K. pettiti, Asterolecanium variolosum, Cerococcus ehrhorni, Trionymus villosa, Ollifiella cristicola and Eriococcus quercus.