51. Rural trends in depression years: a survey of village-centered agricultural communities 1930-1936 Creator: Brunner, Edmund de Schweinitz, 1889- Collection: Core Historical Literature of Agriculture Publisher: Morningside Heights, Columbia University, Publication Place: New York : Date: 1937 Format: Book
52. Bone products and manures: an account of the most recent improvements in the manufacture of fat, glue, animal charcoal, size, gelatine, and manures. Creator: Lambert, Thomas. Collection: Core Historical Literature of Agriculture Publisher: Scott, Greenwood, Publication Place: London : Date: 1901 Format: Book
53. Forest insects: a text-book for the use of students in forest schools, colleges, and universities, and for forest workers Creator: Doane, Rennie Wilbur, 1871- Collection: Core Historical Literature of Agriculture Publisher: McGraw-Hill, Publication Place: London : Date: 1936 Format: Book
54. The individual in the animal kingdom Creator: Huxley, Julian, 1887-1975. Collection: Core Historical Literature of Agriculture Publisher: G. P. Putnam's Sons, Publication Place: New York : Date: 1912 Format: Book
55. Our natural resources and their conservation Creator: Parkins, A. E. 1879-1940 Collection: Core Historical Literature of Agriculture Publisher: Chapman & Hall, Limited, Publication Place: London : Date: 1936 Format: Book
56. The fight for conservation Creator: Pinchot, Gifford, 1865-1946. Collection: Core Historical Literature of Agriculture Publisher: Doubleday, Page & Company, Publication Place: New York : Date: 1910 Format: Book
57. The elements of agriculture: a book for young farmers, with questions prepared for the use of schools Creator: Waring, George E. 1833-1898 Collection: Core Historical Literature of Agriculture Publisher: D. Appleton and Company, Publication Place: New York : Date: 1854 Format: Book
58. Scurvy, past and present Creator: Hess, Alfred Fabian, 1875-1933. Collection: Core Historical Literature of Agriculture Publisher: J. P. Lippincott Company, Publication Place: London : Date: 1920 Format: Book
59. Effective farming: a text-book for American schools Creator: Sampson, Harry Oscar, 1879- Collection: Core Historical Literature of Agriculture Publisher: Macmillan, Publication Place: New York : Date: 1918 Format: Book
60. Milk: its production and uses : with chapters on dairy farming, the diseases of cattle, and on the hygiene and control of supplies Creator: Willoughby, Edward Francis, 1840-1906. Collection: Core Historical Literature of Agriculture Publisher: C. Griffin & Company, Ltd., Publication Place: London : Date: 1903 Format: Book