Wedgie kindly offered me to borrow the maps from his site in his comment .
I thank him for it.
Many Japanese maps lacks my house on it. My Japanse map lacks Niijima on it. But it does not means Japan does not recoginize my house and Niijima as a part of Japanese territory.
Korean 18 century maps of Usan
696 Japanese map at opp's site1
Japan has a clear and accurate map of Dokdo.
Korea also has a map of Usan which Korean historians insist is "Dokdo"
(see above photos)