An Anthropological Study on the Japanese Jomon Skulls from the Tsukumo and Kou Sites 論文 Sanae KANDA ·1977-01-01 ·『The Journal of Anthropological Society of Nippon』 85(1) pp. 29-47 doi:10.1537/ase1911.85.29
Linguistics and language policies in North Korea 論文 Chin-Wu Kim ·1978-01-01 ·『Korean studies』 2(1) pp. 159-175 doi:10.1353/ks.1978.0002