Preliminary report on the Cretaceous reptile fossils from Hokkaido - 1972
Fossil vertebrates from the Miyako Island - 1973
Middle Miocene insect fauna of Abura, Hokkaido, Japan, with notes on the occurrence of Cenozoic fossil insects in the Oshima Peninsula, Hokkaido - 1987
Quaternary vertebrates from Shiriya area, Shimokita Pininsula, northeastern Japan - 1988