41. Text-book of the diseases of trees Creator: Hartig, Robert, 1839-1901. Collection: Core Historical Literature of Agriculture Publisher: MacMillan and Co., Publication Place: New York : Date: 1894 Format: Book
42. Practical forestry: for beginners in forestry, agricultural students, woodland owners, and others desiring a general knowledge of the nature of the art Creator: Gifford, John C. 1870-1949. Collection: Core Historical Literature of Agriculture Publisher: D. Appleton, Publication Place: New York : Date: 1902 Format: Book
43. Getting acquainted with the trees Creator: McFarland, J. Horace 1859-1948. Collection: Core Historical Literature of Agriculture Publisher: The Outlook Co., Publication Place: New York : Date: 1904 Format: Book
44. Manual of the trees of North America (exclusive of Mexico) Creator: Sargent, Charles Sprague, 1841-1927. Collection: Core Historical Literature of Agriculture Publisher: Houghton, Mifflin and Co., Publication Place: New York : Date: 1905 Format: Book
45. Handbook of the trees of the northern states and Canada east of the Rocky Mountains, photo-descriptive Creator: Hough, Romeyn Beck, 1857-1924. Collection: Core Historical Literature of Agriculture Publisher: Romeyn Beck Hough, Publication Place: Lowville, N.Y. : Date: 1907 Format: Book
46. North American trees: being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies Creator: Britton, Nathaniel Lord, 1859-1934. Collection: Core Historical Literature of Agriculture Publisher: H. Holt and Co., Publication Place: New York : Date: 1908 Format: Book
47. Forest trees of the Pacific slope Creator: Sudworth, George Bishop, 1864-1927. Collection: Core Historical Literature of Agriculture Publisher: Govt. Print. Off., Publication Place: Washington : Date: 1908 Format: Book
48. The trees of California Creator: Jepson, Willis Linn, 1867-1946. Collection: Core Historical Literature of Agriculture Publisher: Curtis & Welch Publication Place: San Francisco : Date: 1909 Format: Book
49. Identification of the economic woods of the United States: including a discussion of the structural and physical properties of wood Creator: Record, Samuel J. 1881-1945. Collection: Core Historical Literature of Agriculture Publisher: J. Wiley & Son, Publication Place: New York : Date: 1912 Format: Book
50. Studies of trees Creator: Levison, Jacob Joshua, 1881- Collection: Core Historical Literature of Agriculture Publisher: J. Wiley & Sons, Publication Place: New York : Date: 1914 Format: Book
