Science for Youth one year anniversary issue reprinted in Minguo zhen xi duan kan duan kan (Short-lived and Ceased Periodicals from the Republic Era in Chongqing). Beijng. 2006. V. 4, p. 1923.
St. Petersburg High... The only image of St. P. more plentiful in western books about 19th century Russia than the bronze horseman, is the ice hill, or "flying mountain," a peculiarly Russian entertainment that may have something to do with the fact…