... 北海道農業試驗場年報[ Annual Report of the Hokkaido Agricultural Experiment ... 彙報" Research Bulletin of the Hokkaido National Agricultural Experiment ... 北海道之殖產[ Hokkaido's Industry ] ; monthly ; Hokkaido Agri- culture Society ...
... 北海道農業試驗場年報[ Annual Report of the Hokkaido Agricultural Experiment ... 彙報" Research Bulletin of the Hokkaido National Agricultural Experiment ... 北海道之殖產[ Hokkaido's Industry ] ; monthly ; Hokkaido Agri- culture Society ...