by South Africa. Department of Agriculture(1910-1934)

1921

by South Africa. Department of Agriculture (1910-1934)

1919

by South Africa. Department of Agriculture (1910-1934)

1917

by Rees Alfred Davis, South Africa. Department of Agriculture, South Africa. Dept. of Agriculture

1919

by South Africa. Department of Agriculture (1910-1934)

1913

by South Africa. Department of Agriculture. (1910-1934)

1911

by South Africa. Department of Forestry (1910-1934)

1911