Az emberiség jövője, by Heinrich Lhotzky 67981 [Author: Heinrich Lhotzky] [Translator: Aladár Schöpflin] [Language: Hungarian] [Link: https://www.gutenberg.org/6/7/9/8/67981] [Files: 67981-0.txt; 67981-h.htm] Thanks to Albert László from page images generously made available by the Library of the Hungarian Academy of Sciences Regards, Al