URL https://upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Dismembered_Russia_—_Some_Fragments_(NYT_article,_Feb._17,_1918).png/220px-Dismembered_Russia_—_Some_Fragments_(NYT_article,_Feb._17,_1918).png
URL2 https://ja.wikipedia.org/wiki/タヴリダ・ソビエト社会主義共和国
