(b) "Professor Nam Kwon-hee at Kyungpook National University announced Wednesday the findings by a team of Korean and Japanese scholars after studying a 22 piece Daedongyeojido map booklet owned by a Japanese collector."
(i) Nam (Korean surname) 南 https://en.wikipedia.org/wiki/Nam_(Korean_surname)
(ii) Kyungpook National University 慶北大學校 https://en.wikipedia.org/wiki/Kyungpook_National_University
(located at Daegu 大邱, capital of North Gyeongsang Province 慶尙北道 (abbreviated as Gyeongbuk 慶北) )
(iii) Daedongyeojido 大東輿地圖 https://en.wikipedia.org/wiki/Daedongyeojido
, whose second photograph is captioned: " 'Daedongyeojido'(1861) showing] Ulleungdo [鬱陵島] and Usan [于山島].".
(c) What Koreans called Dokdo is Liancourt Rocks https://en.wikipedia.org/wiki/Liancourt_Rocks
("name of the islets derives from Le Liancourt, the name of a French whaling ship which came close to being wrecked on the rocks in 1849")
, which is located at 4 o'clock of Ulleungdo.
(d) 獨島 https://zh.wikipedia.org/wiki/獨島
(section 1 名稱: "韓國稱該島 * * * 古稱為「于山島」和「石島」,但此主張受日方爭議")
At the bottom of this Wiki page, various maps shows Usan to to right or left of Ulleungdo.