31. An outline of forest pathology Creator: Hubert, Ernest E. b. 1887. Collection: Core Historical Literature of Agriculture Publisher: Chapman & Hall, Limited, Publication Place: London : Date: 1931 Format: Book
32. Forest measurement Creator: Belyea, Harold Cahill, 1887- Collection: Core Historical Literature of Agriculture Publisher: Chapman & Hall, Limited, Publication Place: London : Date: 1931 Format: Book
33. The economics of forestry Creator: Hiley, W. E. Collection: Core Historical Literature of Agriculture Publisher: Clarendon Press, Publication Place: Oxford : Date: 1930 Format: Book
34. Forestry: a study of its origin, application and significance in the United States Creator: Recknagel, A. B. 1883-1962. Collection: Core Historical Literature of Agriculture Publisher: A. A. Knopf, Publication Place: New York : Date: 1929 Format: Book
35. Forests and mankind Creator: Pack, Charles Lathrop, 1857-1937. Collection: Core Historical Literature of Agriculture Publisher: The Macmillan Company, Publication Place: New York : Date: 1929 Format: Book
36. What about the year 2000?: an economic summary of answers to the vital questions : Will our land area in the United States meet the demands of our future population? How are we to determine the best use of our land resources? Creator: Delano, Frederic Adrian, 1863-1953. Collection: Core Historical Literature of Agriculture Publisher: Mount Pleasant Press, Publication Place: [Harrisburg, Pa. : Date: 1929 Format: Book
37. The development of governmental forest control in the United States Creator: Cameron, Jenks, 1879-1957. Collection: Core Historical Literature of Agriculture Publisher: The Johns Hopkins Press, Publication Place: Baltimore, Md. : Date: 1928 Format: Book
38. Forests and water in the light of scientific investigation Creator: Zon, Raphael, 1874-1956. Collection: Core Historical Literature of Agriculture Publisher: Govt. Print. Off., Publication Place: Washington : Date: 1927 Format: Book
39. A national program of forest research Creator: Clapp, Earle Hart, 1877- Collection: Core Historical Literature of Agriculture Publisher: American Tree Association, Publication Place: Washington, D.C. : Date: 1926 Format: Book
40. Aims and methods in the study of vegetation Creator: Tansley, A. G. (as Sir,) 1871-1955. Collection: Core Historical Literature of Agriculture Publisher: British Empire Vegetation Committee, Publication Place: London : Date: 1926 Format: Book