31. Conservation of national resources: an educational approach to the problem Creator: Renner, George T. 1900-1955. Collection: Core Historical Literature of Agriculture Publisher: Chapman & Hall, Limited, Publication Place: London : Date: 1942 Format: Book
32. Forgotten people: a study of New Mexicans Creator: SaÌnchez, George Isidore, 1906-1972. Collection: Core Historical Literature of Agriculture Publisher: The University of New Mexico Press, Publication Place: Albuquerque, N.M. : Date: 1940 Format: Book
33. Greenhouse construction: a complete manual on the building, heating, ventilating and arrangement of greenhouses, and the construction of hotbeds, frames and plant pits Creator: Taft, Levi Rawson. Collection: Core Historical Literature of Agriculture Publisher: Orange Judd Company, Publication Place: New York : Date: 1893 Format: Book
34. The biotic provinces of North America Creator: Dice, Lee Raymond, 1887- Collection: Core Historical Literature of Agriculture Publisher: University of Michigan Press, Publication Place: Ann Arbor : Date: 1943 Format: Book
35. Problems in soil microbiology Creator: Cutler, D. Ward Collection: Core Historical Literature of Agriculture Publisher: Longmans, Green and Co., Publication Place: New York : Date: 1935 Format: Book
36. Modern piseÌ-building: house-building with compressed or rammed earth (piseÌ de terre) : a revelation for the farmer and settler, and others Creator: Ellington, Karl Johan. Collection: Core Historical Literature of Agriculture Publisher: Bethany Printing Company, Publication Place: [Lindsborg, Kan. : Date: 1924 Format: Book
37. A living from the land Creator: Duryee, William Budington, 1888- Collection: Core Historical Literature of Agriculture Publisher: Whittlesey House, McGraw-Hill Book Company, Inc., Publication Place: London : Date: 1934 Format: Book
38. Friend earthworm: practical application of a lifetime study of habits of the most important animal in the world Creator: Oliver, George Sheffield. Collection: Core Historical Literature of Agriculture Publisher: Oliver's Earthworm Farm School, Publication Place: Oceanside, Calif. : Date: 1941 Format: Book
39. Lectures on plant pathology and physiology in relation to man: a series of lectures given at the Mayo Foundation and the universities of Minnesota, Iowa, Wisconsin, the Des Moines academy of medicine, Iowa, and Iowa State College, 1926-1927. Collection: Core Historical Literature of Agriculture Publisher: W. B. Saunders Company, Publication Place: London : Date: 1928 Format: Book
40. Ventilation for dwellings, rural schools and stables Creator: King, F. H. 1848-1911. Collection: Core Historical Literature of Agriculture Publisher: F. H. King, Publication Place: Madison, Wis. : Date: 1908 Format: Book