£5,000
By LAKE SURVEY BRANCH, ARMY MAP SERVICE, August 1945.
£400
By ROBERT DE VAUGONDY, Didier, 1749 [but 1769]].
£350
By JANSSONIUS, Johannes and KAERIUS, Petrus, 1648].
£3,000
By GEOLOGICAL SURVEY OF KOREA [and] GEOLOGICAL SOCIETY OF KOREA, 1956.


