No. 37. Forest Planting in the Sand Hill Region of Nebraska.
No. 40. H. B. Holroyd, The Utilization of Tupelo.
No. 41. S. N. Spring, Forest Planting on Coal Lands in Western Pennsylvania.
No. 45. Frank G. Miller, Forest Planting in Eastern Nebraska.
No. 81. R. S. Kellogg, Forest Planting in Illinois.
No. 97. R. S. Kellogg, Timber Supply of the United States.
No. 153. A. H. Pierson, Exports and Imports of Forest Products, 1907.
U. S. Department of Agriculture Year Books for:
1896. Filibert Roth, The Uses of Wood.
1898, p. 181. Gifford Pinchot, Notes on some Forest Problems.