Kuźniewski, E. Application of the “Wrocław Taxonomy” to the preparation of a plant identification key, using Viola L. as an example. 3–20. (in Polish)
Szotkowski, P. Localities of rare plant species from the Opole region collected in 1965–1967. 21–26. (in Polish)
Serwatka, J. Previously unrecorded localities of rare vascular plants in Silesia. 27–34. (in Polish)
Sendek, A. New localities of rare plants in Silesia collected in 1966 and 1967. 35–38. (in Polish)
Bańkowski, C. Studies on the essential oil of Elsholtzia patrini (Lepechin) Garcke. 39–46. (in Polish)
Mądalski, J., Ciaciura, M. A new locality of fruiting ivy in Silesia. 47–50. (in Polish)
Buława, W. Floristic materials from the south-eastern part of Cieszyn District collected in 1967 and 1968. 51–56. (in Polish)
Bednarz, S. On the development and hatching of the miracidium of Fasciola hepatica L. 57–66. (in Polish)
Hajduk, Z. Cladoceran fauna (Cladocera) of several water bodies in Wrocław. 67–86. (in Polish)
Piskol, H. Testate amoebae (Testacea) of mosses in the Strzeblów quarries. 87–98. (in Polish)
Chrzanowska, M. Effect of vasodilator drugs on disturbances of renal blood supply in rabbits induced by bile irritation of the hepatic hilum region. 99–128. (in Polish)
Stachurska, A., Szczypek, P., Sadowska, A. Palynological catalogue of Polish plants. Plates 81–85. (in Polish)