- Craighead, F. C., and W. Middleton. 1930. An annotated list of the important North American forest insects. United States Department of Agriculture, Miscellaneous Publications 74. 30 p.
- Middleton, W. 1924. Insects injurious to white pine . United States Golf Association, Green Section, Bulletin 4:148-150.
- Middleton, W. 1928a. Factors influencing the activity of shadetree insects and the utilization of these in control work . International Congress of Entomology, Proceedings, Ithaca 1928, 4:374-381.
- Middleton, W. 1928b. Some factors influencing outbreaks of, and the control of, shade-tree insects . Journal of Economic Entomology 21:421-431.
- Middleton, W. 1934. Engraver bark beetles attacking elm trees and associated with the Dutch elm disease. United States Department of Agriculture, Bureau of Entomology and Plant Quarantine. 26 January 1934, mimeographed. 4 p.
- Middleton, W. 1935. Prove Dutch elm disease carried by bark beetles . Journal of Forestry 35:82-83.
- Middleton, W., W. D. Buchanan, C. May, and J. M. Walter. 1935. Ceratostomella (Graphium) ulmi, the cause of the Dutch elm disease, transmitted by Scolytus multistriates . Journal of Economic Entomology 28:138.
- Snyder, T. E., W. Middleton, and F. P. Keen. 1923. The progress of forest entomology in the United States (Biographical sketch of A D Hopkins) . Journal of Economic Entomology 16:413-420.