File Dissertation committees and examinations, 1915-1930 Box 4 In: Blanchard Family Papers, circa 1835-circa 2000 » Nathan A. Cobb » Professional » United States Department of Agriculture (USDA) Bureau of Plant Industry » Nematology
File Research materials (various), circa 1920s includes sketch Box 4 In: Blanchard Family Papers, circa 1835-circa 2000 » Nathan A. Cobb » Professional » United States Department of Agriculture (USDA) Bureau of Plant Industry » Nematology
File Reports In: Blanchard Family Papers, circa 1835-circa 2000 » Nathan A. Cobb » Professional » United States Department of Agriculture (USDA) Bureau of Plant Industry » Nematology
File "Mermis Albicans: A Nema Parasite of Grasshoppers and Other Insects", undated Box 4 In: Blanchard Family Papers, circa 1835-circa 2000 » Nathan A. Cobb » Professional » United States Department of Agriculture (USDA) Bureau of Plant Industry » Nematology » Reports
File "Scientific Studies of the Morphology and Physiology of Nemas", circa 1924 Box 4 In: Blanchard Family Papers, circa 1835-circa 2000 » Nathan A. Cobb » Professional » United States Department of Agriculture (USDA) Bureau of Plant Industry » Nematology » Reports
File Travel In: Blanchard Family Papers, circa 1835-circa 2000 » Nathan A. Cobb » Professional » United States Department of Agriculture (USDA) Bureau of Plant Industry
File Jamaica, 1909-1910 Box 4 In: Blanchard Family Papers, circa 1835-circa 2000 » Nathan A. Cobb » Professional » United States Department of Agriculture (USDA) Bureau of Plant Industry » Travel
File Panama, 1921-1923 Box 4 In: Blanchard Family Papers, circa 1835-circa 2000 » Nathan A. Cobb » Professional » United States Department of Agriculture (USDA) Bureau of Plant Industry » Travel
File Organizations In: Blanchard Family Papers, circa 1835-circa 2000 » Nathan A. Cobb » Professional
File American Association for the Advancement of Science, 1905-1910 Box 4 In: Blanchard Family Papers, circa 1835-circa 2000 » Nathan A. Cobb » Professional » Organizations