1. The diapause problem;Agrell;Anné biol.,1951
2. A basis for forecasting seed crops of some coniferous trees;Allen;J. For.,1941
3. Parthenocarpy. Parthenogenesis and self sterility in Douglas Fir;Allen;J. For.,1942
4. The Einbryogeny of Pseudotsuga taxifolia;Allen;Amer. J. Bot.,1943
5. Studies on the question of honeydew and “Fir-Honey” in Turkey;Ermin;Rev. Fac. Sci. Univ. Istanbul,1950