北海道農業改良普及協会1987-2024<Z18-1489>
National Diet Library
北海道畜産草地学会2013-<Z74-H712>
National Diet LibraryOther Libraries in Japan
養賢堂1947-2015<Z18-530>
National Diet LibraryOther Libraries in Japan
酪農ヘルパー全国協会[1991]-<Z18-B454>
National Diet Library
日本草地学会1961-<Z18-344>
National Diet LibraryOther Libraries in Japan
北海道家畜人工授精師協会[1956]-<Z18-756>
National Diet LibraryOther Libraries in Japan