Revision of the polypores (Polyporales) described as new by J. Velenovský. František Kotlaba 1975 | volume 31 | issue 1-2 | pages 1–56 PDF
Geographical and ecologic variability of perch and history of its distribution from Eurasia to North America. Jiří Čihař 1975 | volume 31 | issue 1-2 | pages 57–90 PDF
Baroque-period burials from St. Henry_s church in the Prague New Town. Hana Hanáková , Vladimír Martinec , Luboš Vyhnánek 1975 | volume 31 | issue 1-2 | pages 91–107 PDF