mathematics 102 geometry 84 history 82 astronomy 65 physiology 41 classical mechanics 38 physics 35 more ... arithmetic 28 algebra 26 botany 25 mathematical analysis 22 architecture 21 geography 21 optics 21 natural sciences 21 křivky (geometrie) 20 calculus of variations 20 infinitezimální počet 19 social geography 18 trigonometrie 18 anthropology 17 differential calculus 17 zoology 17 historical sources 16 positional astronomy 16 czech history 16 astrology 15 geodesy 15 analytical geometry 14 papers 14 less ...