Annual report of the Commissioner of Agriculture ...

3, 1898

Annual report of the Commissioner of Agriculture ...

3, 1913

Annual report of the Commissioner of Agriculture ...

2, 1900

Biennial report of the Oregon State Board of Horticulture ...

v. 16 (1921)

Biennial report of the Oregon State Board of Horticulture ...

v. 11 (1911)

Biennial report of the Oregon State Board of Horticulture ...

v. 12 (1913)

Bulletin / Department of Agriculture, Forestry Division.

no. 24 pt. 1

Bulletin / Department of Agriculture, Forestry Division.

7

Bulletin / U.S. Department of Agriculture, Bureau of Forestry.

32-35

Bulletin / Ontario Department of Agriculture.

208-226

Bulletin / United States Department of Agriculture, Division of Agrostology.

no. 7-11 (1897-1898)

Bulletin / United States Department of Agriculture, Division of Agrostology.

no. 12-18 (1898-1899)

Bulletin / U.S. Department of Agriculture, Bureau of Plant Industry.

no.21-27 (1902-1903)

Bulletin / U.S. Department of Agriculture, Bureau of Plant Industry.

no.218-228 (1911-1912)

Bulletin / Ontario Department of Agriculture.

146-168