- Article in journal1989. Distribution and number of wolves in Poland. Acta Theriologica 34 : 497-503.
- Article in journal1989. King Cheetah. Acta Theriologica 34 : 391.
- Article in journal1989. A natural history of domesticated mammals. Acta Theriologica 10 : 392-393.
- Article in journal1989. The wolf in Poland. Acta Theriologica 10 : 4.
- Article in journal1989. Występowanie i liczebność rysia w Polsce. Łowiec Polski 11 : 8-9.
- Article in journal1989. Ocena kondycji zwierząt kopytnych. Myśliwiec 88 : 37-40.
- Article in journal1989. Red deer selection by wolves in southeastern Poland. Abstarcts of the 19th IUGB Congress, Trondheim 1989, Norway. Lecture no. 32. Acta Theriologica 10
- Book chapter1989. Die Rettung des Wisents - Probleme der Erhaltung einer Art. In: Die Illusion der Arche Noah. Gefahren für die Arterhaltung durch Gefangenschaftszucht. Bericht zu Intern. Symp., Wiesbanden 10-13.03. 1988. Eds. Schneider E, Oelke H, Gross H. Echo Verlag, Göttingen : 249-268.
- Book chapter1989. A preliminary report on threatened rodents in Europe. In: Rodents. A world survey of species of conservation. Eds. Lidicker WZ,Jr. Occ. Papers IUCN/SSC, No. 4, : 26-32.
- Article in journal1989. Skull variability of Martes martes and Martes foina from Poland. Acta Theriologica 34 : 595-624.
