- Tsankov, G. 1977. Prouchvane na nasekomnitevrediteli po iglolistnite dbrvesni vidove v Kuba [Insect pests of coniferous trees in Cuba]. Gorskostopanska Nauka 1454-63.
- Tsankov, G., S. Monteagudo, E. Valdes, and M. Hernandez. 1974. Plagas forestales in Cuba (1971-1973). Baracoa 43-23.
- Tsankov, G., and P. Ganchev. 1988. Attack by Dryocoetes (Anisandrus) dispar on Castanea mollissima in Bulgaria [In Bulgarian]. Gorsko Stopanstvo 4416-17.
- Tsankov, G. 1961. A study of some biological and ecological features of Ips acuminatus Gyll. in Bulgaria and its control [In Bulgarian, German summary]. Bulgarska Akademiia na Naukite Inst. Goratalzv. 7:75-101.
- Tsankov, G., and B. Rosnev. 1978. Prouchvane na v zmokhnostite za prenasyane na korenovata g'ba (Fomes annosus Fr) ot nasekomi [Studies on the possibilities of spreading Fomes annosus (Fr) by insects] . Gorskostopanska Nauka 15:89-95.
- Tsankov, G. 1987. A new insect pest in Bulgaria (In Bulgarian). Gorsko Stopanstvo 43:25.
- Tsankov, G. 1989. The role of insect pests in the mass mortality of silver fir (In Bulgarian). Gorsko Stopanstvo 45:26-27.
- Tsankov, G., P. Mirchev, and D. Ovcharov. 1994. Insect pests and their role in silver fir withering and decline in Bulgaria (In Bulgarian). Nauka za Gorata 31:23-33.
- Tsankov, G., P. Mirchev, and H. Tomovsky. 1999. A study on wood eaters and bark beetles in Scots pine ecosystems in Bulgaria. (In Bulgarian, with English summary). Nauka za Gorata (3-4):71-83.