- Speyer, E. R. 1923. Notes upon the habits of Ceylonese ambrosia beetles. Bulletin of Entomological Research 1411-23.
- Speyer, E. R. 1916. Spread of insect pests in relation to the agriculture of Ceylon. Tropical Agriculture 46248-252.
- Speyer, E. R. 1918a. Shot-hole borer of tea Extract from Quarterly Report of the Entomologist, April-June 1918. Tropical Agriculture 51102.
- Speyer, E. R. 1918b. Shot-hole borer of tea Extract from the Report of the Entomologist for the Quarter ending July-September 1918. Tropical Agriculture 511918b.
- Speyer, E. R. 1918c. The distribution of Xyleborus fornicatus Eichh (Shot-hole borer of tea). Ceylon Department of Agriculture, Bulletin 391-34.
- Speyer, E. R. 1919a. Committee of Agricultural Experiments 6 Shot-hole borer of tea. Tropical Agriculture 5267-69.
- Speyer, E. R. 1919b. Recommendations for the control of shot-hole borer beetle of tea. .
- Speyer, E. R. 1919c. Short-hole borer, a control pruning scheme, and its practical modification. 16 pp..
- Speyer, E. R. 1919d. Shot-hole borer (Xyloborus fonicatus): treatment of prunings on infected estates. 16 pp..
- Speyer, E. R. 1917a. Report of entomologist in charge of investigations into shot-hole borer of tea. 8-9.
- Speyer, E. R. 1917b. Shot hole borer of tea (Xyleborus fornicatus). 4 p., 1 fig..
- Speyer, E. R. 1917c. Tea diseases: The shot-hole borer investigation. Tropical Agriculture 48152-155.
- Speyer, E. R. 1922. Shot-hole borer of tea: Damage caused to the tea bush (Xyleborus fornicatus). 16 p..
- Speyer, E. R. 1937. Entomologie mit besonderer Berucksichtigung der Biologie, Okologie und Gradationslehre der Insekten. Th. Steinkopff, Dresden und Leipiz.
- Speyer 1918
- Speyer 1919
- Speyer, W. 1931. Einiges vom ungleichen Borkenkafer (Anisandrus dispar Fabr.). N. Obstz. 1931: 532-533.
- Speyer, W. 1933. Schwere Beschadigungen junger Fichten durch Kaferfrass (Hylastes cunicularius). Hahn. Land-Forstw. 86:249.
- Speyer, W. 1937. Entomologie mit besonderer Berucksichtigung der Biologie, Okologie und Gradationslehre der Insekten. Th. Steinkopff, Dresden und Leipzig.
- Speyer, W. 1941. Der ungleiche Borkenkafer, ein Nutzniesser der vorjahrigen Frostschaden . Deutscher Obstbau (A) 10:190-191.