Enzyklopädie der Naturwissenschaften Abth., 2. Th. Handwörterbuch der AstronomieGustav JägerVyprodáno4,3Pohlídat
Problems Of Nature: Researches And Discoveries Of Gustav Jaeger M.d., Selected From His Published WritingsGustav JägerVyprodáno4,3Pohlídat
Selection From Essays on Health-culture and the Sanitary Woollen SystemGustav JägerVyprodáno4,3Pohlídat