| Type | Author(s) | Title | Other Titles | Citation | Citation(alt) | Issue Date |
| bulletin (article) | Ohta, Kohei; Onuma, Kosuke; Yagi, Kenzo | The system NaFe^<3+>Si_2O_6-CaFe^<2+>Si_2O_6 at low oxygene fugacity | - | Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy | 北海道大學理學部紀要 | Feb-1977 |
| bulletin (article) | Onuma, Kosuke; Yagi, Kenzo | Differentiation of melilite nephelinitic rocks in light of experimental study of the system Na_2O-CaO-MgO-Al_2O_3-TiO_2-SiO_2 | - | Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy | 北海道大學理學部紀要 | Feb-1977 |
| bulletin (article) | Yagi, Kenzo; Bamba, Takeo; Suzuki, Mamoru | Pillow lavas in Hokkaido, Japan | - | Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy | 北海道大學理學部紀要 | Sep-1976 |
| bulletin (article) | Takeshita, Hisashi; Yagi, Kenzo; Oka, Yasutami; Kimura, Makoto | Wollastonite and associated minerals from Moji, Kita-Kyushu City | - | Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy | 北海道大學理學部紀要 | Sep-1976 |
| bulletin (article) | Onuma, Kosuke; Yagi, Kenzo | The Join CaMgSi_2O_6-CaAl_2SiO_6-CaFe^<3+>AlSiO_6 in air and its Bearing on Fassaitic Pyroxene | - | Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy | 北海道大學理學部紀要 | Feb-1975 |
| bulletin (article) | Yagi, Kenzo; Hariya, Yu; Onuma, Kosuke; Fukushima, Noriko | Stability Relation of Kaersutite | - | Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy | 北海道大學理學部紀要 | Feb-1975 |
| bulletin (article) | Yagi, Kenzo; Takeshita, Hisashi; Ōba, Yoshio | Petrological Study on the 1970 Eruption of Akita-Komagatake Volcano, Japan | - | Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy | 北海道大學理學部紀要 | Mar-1972 |
| bulletin (article) | Onuma, Kosuke; Iwai, Tetsu; Yagi, Kenzo | Nepheline-"IRON NEPHELINE" Solid Solutions | - | Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy | 北海道大學理學部紀要 | Mar-1972 |
| bulletin (article) | Yagi, Kenzo; Kikuchi, Takeshi; Kakuta, Haruhiko | Thermal Decomposition of Pectolite and Its Hydrothermal Synthesis | - | Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy | 北海道大學理學部紀要 | Dec-1968 |
| bulletin (article) | Onuma, Kosuke; Hijikata, Ken-ichi; Yagi, Kenzo | Unit-cell Dimensions of Synthetic Titanbearing Clinopyroxenes | - | Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy | 北海道大學理學部紀要 | Dec-1968 |
| bulletin (article) | Onuma, Kosuke; Yagi, Kenzo | The Ten Per Cent CaTiAl_2O_6 Plane in the System Diopside-Akermanite-Nepheline-CaTiAl_2O_6 | - | Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy | 北海道大學理學部紀要 | Dec-1968 |
| bulletin (article) | Yagi, Kenzo; Sato, Fumio | Datolite from Furano Mine, Hokkaido | - | Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy | 北海道大學理學部紀要 | Feb-1968 |
| bulletin (article) | Yagi, Kenzo; Bamba, Takeo; Okeya, Mituo | Pectolites from Chisaka, Hidaka Province and Nozawa Mine, Furano, Hokkaido | - | Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy | 北海道大學理學部紀要 | Feb-1968 |
| bulletin (article) | Hijikata, Ken-ichi; Yagi, Kenzo | Phase Relations of Ca-Tschermak's Molecule at High Pressures and Temperatures | - | Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy | 北海道大學理學部紀要 | Apr-1967 |
| bulletin (article) | Yagi, Kenzo; Onuma, Kosuke | The Join CaMgSi_2O_6-CaTiAl_2O_6 and its bearing on the Titanaugites | - | Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy | 北海道大學理學部紀要 | Apr-1967 |
| bulletin (article) | Yagi, Kenzo; Matsumoto, Hatao | Note on Leucite-bearing Rocks from Leucite Hills, Wyoming, U.S.A. | - | Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy | 北海道大學理學部紀要 | Jul-1966 |
| bulletin (article) | Yagi, Kenzo | Pillow Lavas of Keflavik, Iceland and Their Genetic Significance | - | Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy | 北海道大學理學部紀要 | Oct-1964 |
