Medieval Japan and international relations Viewed from Korean books

我们利用日本史料对约200名日本会商进行了考证，发现其中大部分都是假使馆。15世纪日本到朝鲜的商人不是延伸到日本西部，而是局限于对马岛、池岛和九州北部。我们承认朝鲜时期的朝鲜知识分子的选集。《朝鲜语文集丛书》，并从该丛书中摘录了1500份日本材料。它们是研究中世纪日朝关系的非常重要的史料。在研究论文的基础上，对中国和韩国进行了调查，以韩国南部沿海中国的山东辽宁为例，对韩国境内的山浦古堡和日本古堡进行了考察，对朝鲜古代山堡、高丽王朝与元朝的关系、大知家族与东亚地区的关系、中世纪博田商与东亚地区的关系、16世纪朝鲜、明日关系、16世纪朝鲜文献、近代早期琉球佛教史等进行了研究。

We researched about 200 Japanese traders of Kaitoshokokuki by Japanese historical materials , and investigated most of them are bogus embassies. Japanese traders to Korea in the fifteenth century did not extend over Western Japan, but were restricted to Tsushima Island, Iki Island and north Kyushu.We recognized the anthology of Korean intellectuals in Choson period. The Series of Korean anthology and extracted 1500 Japanese materials from this series. They are very important historical materials about Japan-Korea relations in the Medieval age. We attached the Japanese materials database to the research paper.We inquired China and Korea, for example Shandong Liaoning in China, south coast in Korea, made a survey of Sampo and Japanese old castles in Korea.We made the research paper about ancient Korean mountain castle, relations between Koryo Dynasty and Yuan Empire, relations between Ouchi family and East Asia area, relations between Medieval Hakata merchants and East Asia area, relations between Korea, Ming and Japan in the sixteenth century, Korean document in the sixteenth century, Buddhist history in the early modern Ryukyu.