238 711 subjects published right now from 202 institutions
Barev. list 68 x 52 cm Měřítko [ca 1:30 000]. 15,7 cm = 3 000 Schritt (014°42´26" v.d.--014°46´54" v.d./050°07´23" s.š.--050°03´30" s.š.)