Agriculture of Maine : ... annual report of the Commissioner of Agriculture of the State of Maine.

1908

Report of the Michigan Academy of Science.

1894-1899

Report of the Michigan Academy of Science.

1905

Report of the Agricultural Research Institute and College, Pusa.

190712

Report of the Michigan Academy of Science.

1902

Annual report of the Office of Experiment Stations ... / U.S. Department of Agriculture.

1905

Report of the Michigan Academy of Science.

1909