by Kansas State Historical Society, Robert Hay

1893

by Edwin Robert Anderson Seligman

1925

by Robert Lucas (Governor of Iowa.)

1906

by Robert Hoe

1903

by American Jersey Cattle Club, Robert M. Gow

1906

by Robert Hardin Marr

1923

by Robert Walter Smith

1883

by Robert McCorkle Magill

1907

by Robert Wells

1892

by Robert Wells

1891

by Robert Armstrong

1903

by Warren Robert Cochrane

1880