Stebel S., Nowak A. The bryophyte collection in the Opole Silesia Museum in Opole: 5-13.
Stebel A., Nowak A. The bryophyte collection in the upper Silesia Museum in Bytom (part I): 15-24.
Kozak M., Nowak A., Olszanowska-Kuńka K. Materials to the distribution of threatened vascular plants in the Opole Silesia: 25-55.
Kłys G., Wołoszyn B. W. The influence of weather and interior microclimate on the hibernation of common long-eared bats (Plecotus auritus): 57-68.
Hebda G., Kuńka A. Winter localities of bats in the Stobrawa Landscape Park: 69-75.
Gołąbek E., Wójcik A. Health state of tree monuments in the province of Opole II. groups of trees, tree alleys: 77-85.
Badora K. The role of abiotic criteria in identifying and protection of natural habitats in Poland: 87-95.