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 / Department of Agriculture, Forestry Division.

no. 24 pt. 2

Bulletin / Department of Agriculture, Forestry Division.

6

Conservation.

15, 1909

Conservation.

14, 1908

Untersuchungen aus dem Forstbotanischen Institut zu München.

2

Annual report of the Forest Commissioner of the State of Maine.

no. 2

Boletín de bosques, pesca i caza.

2

Annual report of the Forest Commissioner of the State of Maine.

no. 1