mathematics 220 geometry 200 mathematical analysis 160 geology 152 architecture 151 French language 123 history 119 more ... chemistry 102 classical mechanics 95 physics 94 algebra 93 civil engineering 80 science 80 mechanical engineering 71 descriptive geometry 66 inorganic chemistry 64 engineering 64 geodesy 62 organic chemistry 60 physiology 53 German language 51 agriculture 51 bridges 50 mineralogy 46 English language 45 military affairs 45 reciprocating steam engines 44 exhibitions 44 geography 39 railway transport 39 less ...