Iwashita dōkutsu no hakkutsu kiroku.
Publisher: Chūō kōron Bijutsu Shuppan
Published: 1968
Place of publication: Tokyo
Language: jpn
Number of pages: 209
Subjects: Caves -- Japan -- Iwashita (Nagasaki Prefecture); Earthworks (Archaeology) -- Japan -- Iwashita (Nagasaki Prefecture)
Other titles: Excavation report of the Iwashita cave