- Kawada, M., 1929:
- On some new species of ammonites from the Naibuchi district, south Sakhalin.
- Journal of the Geological Society of Tokyo, vol. 36, no. 428, pp. 1–6, pl. 14.
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- Kobayashi, T., 1926:
- Note on the Mesozoic formations in Prov. Nagato, Chugoku, Japan.
- Journal of the Geological Society of Tokyo, vol. 33, no. 398, pp. 1–9, pl. 11.
PDF in prep.
- Kobayashi, T., 1928:
- Ordovician fossils from Corea and south Manchuria.
- Japanese Journal of Geology and Geography, vol. 5, no. 4, pp. 173–212, pls. 18–22.
- PDF in prep.
- Kobayashi, T., 1930:
- Ordovician fossils from Korea and south Manchuria. Part 2. On the Bantatsu bed of the Ordovician age.
- Japanese Journal of Geology and Geography, vol. 7, nos. 3–4, pp. 75–100, pls. 8–11.
- PDF in prep.
- Makiyama, J., 1927:
- Lycoptera chosenensis, a new species of Leptolepiformes from Singisyu.
- Chikyu [The Globe], vol. 7, no. 6, pp. 448–452. (in Japanese)
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- Otuka, Y., 1929:
- A stratigraphical study of the Oiso block and its adjacent area. Part 1.
- Journal of the Geological Society of Tokyo, vol. 36, no. 433, pp. 435–456, pl. 17. (in Japanese)
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- Otuka, Y., 1930:
- A new variety of fossil Umbonium.
- Journal of the Geological Society of Tokyo, vol. 37, no. 436, pp. 25–26.
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- Ozawa, Y., 1922:
- Preliminary note on the classification of the family Fusulinidae.
- Journal of the Geological Society of Tokyo, vol. 29, no. 348, pp. 357–374, pl. 4. (in Japanese)
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- Ozawa, Y., 1923:
- On some species of Fusulina from Honan, China.
- Japanese Journal of Geology and Geography, vol. 2, no. 2, pp. 35–39, pl. 5.
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- Ozawa, Y., 1925a:
- On the classification of Fusulinidae.
- Journal of the College of Science, Imperial University of Tokyo, vol. 45, art. 4, pp. 1–26, pls. 1–4.
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- Ozawa, Y., 1925b:
- Paleontological and stratigraphical studies on the Permo-Carboniferous limestone of Nagato. Part 2. Paleontology.
- Journal of the College of Science, Imperial University of Tokyo, vol. 45, art. 6, pp. 1–90, pls. 1–14.
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- Ozawa, Y., 1925c:
- A brief critical revision of the Fusulina-species recently described, with additional studies on Japanese Fusulinae.
- Journal of the Geological Society of Tokyo, vol. 32, no. 387, pp. 19–27, pls. 9–10.
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- Ozawa, Y., 1927a:
- Stratigraphical studies of the Fusulina limestone of Akasaka, Province of Mino.
- Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 2, pt. 3, pp. 121–164, pls. 34–46.
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- Ozawa, Y., 1927b:
- Studies on the Akasaka limestone, Part 1 and 2.
- Journal of Geography, vol. 39, nos. 460–461, p. 320-331, 381-392, pl. 9. (in Japanese)
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- Ozawa, Y., 1927c:
- Some Carboniferous fossils collected in Manchuria and Korea.
- Japanese Journal of Geology and Geography, vol. 5, no. 3, pp. 77–93, pl. 7.
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- Ozawa, Y., 1927a:
- Stratigraphical studies of the Fusulina limestone of Akasaka, Province of Mino.
- Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 2, pt. 3, pp. 121–164, pls. 34–46.
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- Saeki, S., 1925:
- On some new species of Jurassic Trigonia from Province of Tamba, Japan.
- Journal of the Geological Society of Tokyo, vol. 32, no. 387, pp. 35–36, pl. 12.
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- Saheki, S., 1929:
- On some new Tertiary fossil fishes from Tanegashima, Kagoshima Prefecture, Kyushu, Japan.
- Journal of the Geological Society of Tokyo, vol. 36, no. 435, pp. 21–24, pl. 18.
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- Tokunaga, S. and Iizuka, M., 1930:
- Geological studies on the Ube coal-field.
- Memoirs of the Faculty of Science and Engineering, Waseda University, no. 6, pp. 1–151, pls. 1–7. (in Japanese)
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- Yabe, H. and Shimizu, S., 1921:
- Notes on some Cretaceous ammonites from Japan and California.
- Science Reports of the Tohoku Imperial University, 2nd Series, vol. 5, no. 3, pp. 53–59, pls. 8–9.
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