by Canada. Department of Agriculture

1923

by Canada. Dept. of Agriculture

1923

by Charles Benjamin Gooderham, Canada. Department of Agriculture

1929 · Department of Agriculture

by Canada. Division of Horticulture

1916

by Canada. Department of Agriculture. Poultry Division

1922

by Canada. Live Stock Branch. Poultry Division

1922

by Canada. Poultry Division

1921

by Canada. Animal and Poultry Science Division

1921

by Canada. Dept. of Agriculture Division of Horticulture

1911

by Canada

1927

by Canada. Department of Agriculture

1917

by Canada. Dept. of Agriculture

1913